Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\Chart\Renderer\IRenderer" not found in /home/icofeduz/learning.icof.edu.zm/html/ICOF-SRMS/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraphRendererBase.php:27 Stack trace: #0 {main} thrown in /home/icofeduz/learning.icof.edu.zm/html/ICOF-SRMS/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraphRendererBase.php on line 27