[10-Jun-2026 11:27:19 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/ContentTypes.php:13
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/ContentTypes.php on line 13
[10-Jun-2026 11:29:53 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php:12
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php on line 12
[10-Jun-2026 11:30:22 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php:9
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php on line 9
[10-Jun-2026 11:32:32 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/AutoFilter.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/AutoFilter.php on line 11
[10-Jun-2026 11:33:27 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php:22
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php on line 22
[10-Jun-2026 11:41:20 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Drawing.php:15
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Drawing.php on line 15
[10-Jun-2026 11:41:55 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsVBA.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsVBA.php on line 8
[10-Jun-2026 11:43:01 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php:16
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php on line 16
[11-Jun-2026 00:18:22 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Comments.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Comments.php on line 11
[11-Jun-2026 00:27:16 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Style.php:18
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Style.php on line 18
[11-Jun-2026 00:34:00 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Table.php:10
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Table.php on line 10
[11-Jun-2026 00:40:59 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php:13
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php on line 13
[11-Jun-2026 00:43:04 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/DocProps.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/DocProps.php on line 11
[11-Jun-2026 00:46:14 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php:26
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php on line 26
[11-Jun-2026 00:48:12 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Theme.php:10
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Theme.php on line 10
[11-Jun-2026 00:52:07 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php on line 8
[17-Jun-2026 16:01:59 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php on line 8
[18-Jun-2026 11:21:38 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Style.php:18
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Style.php on line 18
[18-Jun-2026 12:56:09 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php:13
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php on line 13
[18-Jun-2026 20:03:14 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php:26
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php on line 26
[19-Jun-2026 04:55:20 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsVBA.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsVBA.php on line 8
[19-Jun-2026 04:57:25 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Drawing.php:15
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Drawing.php on line 15
[19-Jun-2026 05:01:42 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php:16
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php on line 16
[19-Jun-2026 06:18:23 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/ContentTypes.php:13
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/ContentTypes.php on line 13
[19-Jun-2026 06:22:39 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/AutoFilter.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/AutoFilter.php on line 11
[19-Jun-2026 06:23:44 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php:12
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php on line 12
[19-Jun-2026 06:24:45 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php:9
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php on line 9
[19-Jun-2026 08:28:37 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php on line 8
[19-Jun-2026 10:13:11 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php:26
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php on line 26
[19-Jun-2026 10:14:13 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Style.php:18
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Style.php on line 18
[19-Jun-2026 10:19:31 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Comments.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Comments.php on line 11
[19-Jun-2026 10:22:40 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/DocProps.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/DocProps.php on line 11
[19-Jun-2026 10:23:41 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Table.php:10
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Table.php on line 10
[19-Jun-2026 10:24:44 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php:13
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php on line 13
[19-Jun-2026 10:28:52 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Theme.php:10
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Theme.php on line 10
[19-Jun-2026 10:31:58 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php:22
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php on line 22
[19-Jun-2026 13:54:47 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php:9
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php on line 9
[19-Jun-2026 14:09:53 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php:12
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php on line 12
[20-Jun-2026 10:42:09 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php:26
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php on line 26
[21-Jun-2026 08:16:49 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Metadata.php on line 8
[21-Jun-2026 08:17:28 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php:12
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php on line 12
[21-Jun-2026 09:39:28 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php:9
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php on line 9
[21-Jun-2026 13:27:34 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Table.php:10
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Table.php on line 10
[22-Jun-2026 10:42:54 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php:26
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php on line 26
[23-Jun-2026 15:42:09 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php:16
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php on line 16
[24-Jun-2026 10:56:18 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Theme.php:10
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Theme.php on line 10
[24-Jun-2026 18:19:32 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsVBA.php:8
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsVBA.php on line 8
[27-Jun-2026 01:15:27 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/DocProps.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/DocProps.php on line 11
[27-Jun-2026 01:38:26 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php:22
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php on line 22
[30-Jun-2026 15:50:29 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Drawing.php:15
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Drawing.php on line 15
[30-Jun-2026 22:03:56 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Comments.php:11
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Comments.php on line 11
