Fatal error: Uncaught Error: Class "core_question\statistics\responses\analysis_for_question" not found in C:\Apache24\htdocs\moodle\question\classes\statistics\responses\analysis_for_question_all_tries.php:49 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\question\classes\statistics\responses\analysis_for_question_all_tries.php on line 49