Catch Warning when creating PNG

[Rillke]

https://redmine.itz.uni-halle.de/issues/10510

Bei dem Tablet-Zeichenfragen-Prüfungstest wurde einen Hintergrundgrafik bei allen Fragen verwendet, die folgende Fehlermeldung hervorruft, wenn man sich die Antworten der TN anschauen möchte:

2 imagecreatefrompng(): gd-png: libpng warning: iCCP: known incorrect sRGB profile in /XXXXX/Customizing/global/plugins/Modules/TestQuestionPool/Questions/assPaintQuestion/classes/class.assPaintQuestionGUI.php:500
#0 /var/www/ilias/Services/Init/classes/class.ilErrorHandling.php(526): Whoops\Run->handleError(2, 'imagecreatefrom...', '/var/www/ilias/...', 500)

Statistik > TN/detaillierte statsitik > Antwortenübersicht > error (z.B fehlercode 6c29c_5636 | 22.6. 11.07Uhr).
Export > Export inkl TN-ERgebnisse > ohne Antworten

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[4560e] [2023-06-27 18:31:56.071505] eassessment_root.ERROR: ilErrorHandling::{closure}:50 2 imagecreatefrompng(): gd-png: libpng warning: iCCP: known incorrect sRGB profile in /var/www/ilias/Customizing/global/
plugins/Modules/TestQuestionPool/Questions/assPaintQuestion/classes/class.assPaintQuestionGUI.php:500#0 /var/www/ilias/Services/Init/classes/class.ilErrorHandling.php(526): Whoops\Run->handleError(2, 'imagecreat
efrom...', '/var/www/ilias/...', 500)
#1 [internal function]: ilErrorHandling->handlePreWhoops(2, 'imagecreatefrom...', '/var/www/ilias/...', 500, Array)
#2 /var/www/ilias/Customizing/global/plugins/Modules/TestQuestionPool/Questions/assPaintQuestion/classes/class.assPaintQuestionGUI.php(500): imagecreatefrompng('/var/www/ilias/...')
#3 /var/www/ilias/Modules/Test/classes/class.ilTestServiceGUI.php(425): assPaintQuestionGUI->getSolutionOutput(42979, 0, true, false, false, false)
#4 /var/www/ilias/Modules/Test/classes/class.ilTestEvaluationGUI.php(1006): ilTestServiceGUI->getPassListOfAnswers(Array, 42979, 0, false, false, false, false, true, NULL, Object(ilTestResultHeaderLabelBuilder))
#5 /var/www/ilias/Modules/Test/classes/class.ilTestEvaluationGUI.php(97): ilTestEvaluationGUI->outParticipantsPassDetails()
#6 /var/www/ilias/Services/UICore/classes/class.ilCtrl.php(217): ilTestEvaluationGUI->executeCommand()
#7 /var/www/ilias/Modules/Test/classes/class.ilObjTestGUI.php(1080): ilCtrl->forwardCommand(Object(ilTestEvaluationGUI))
#8 /var/www/ilias/Modules/Test/classes/class.ilObjTestGUI.php(356): ilObjTestGUI->forwardToEvaluationGUI()
#9 /var/www/ilias/Services/UICore/classes/class.ilCtrl.php(217): ilObjTestGUI->executeCommand()
#10 /var/www/ilias/Services/UICore/classes/class.ilCtrl.php(178): ilCtrl->forwardCommand(Object(ilObjTestGUI))
#11 /var/www/ilias/ilias.php(23): ilCtrl->callBaseClass()
#12 {main}  

Maybe the ILIAS "Whoops" error handler can be configured, but that is beyond my knowledge.