[17-Jun-2026 04:54:18 UTC] PHP Fatal error:  Uncaught Error: Interface "PHPExcel_IComparable" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/Drawing/Shadow.php:36
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/Drawing/Shadow.php on line 36
[01-Jul-2026 11:27:00 UTC] PHP Fatal error:  Uncaught Error: Interface "PHPExcel_IComparable" not found in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/Drawing/Shadow.php:36
Stack trace:
#0 {main}
  thrown in /home/tracerstudy/public_html/tracerstudy.unmuhjember.ac.id/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/Drawing/Shadow.php on line 36
