Fatal error: Uncaught Error: Undefined constant "IMG_PNG" in C:\xampp2024\htdocs\CA\jpgraph\src\jpgraph_errhandler.inc.php:282 Stack trace: #0 C:\xampp2024\htdocs\CA\jpgraph\src\jpgraph_errhandler.inc.php(156): JpGraphErrObjectImg->Raise('This PHP instal...') #1 C:\xampp2024\htdocs\CA\jpgraph\src\jpgraph_errhandler.inc.php(161): JpGraphException->Stroke() #2 [internal function]: JpGraphException::defaultHandler(Object(JpGraphExceptionL)) #3 {main} thrown in C:\xampp2024\htdocs\CA\jpgraph\src\jpgraph_errhandler.inc.php on line 282