Exception shown when a student submits their quiz attempt

[anieminen]

Hi,

We are seeing a problem after upgrading plagiarism_turnitin plugin. When Turnitin is activated in quiz settings and a user tries to submit their quiz attempt, an exception is thrown and the attempt is not submitted.

Moodle version: 4.1.15
plagiarism_turnitin version: 4.1+ (2024120501)

Debug info:
Error code: generalexceptionmessage
Stack trace:
line 2617 of /plagiarism/turnitin/lib.php: Error thrown
line 159 of /plagiarism/turnitin/classes/observer.php: call to plagiarism_plugin_turnitin->event_handler()
line ? of unknownfile: call to plagiarism_turnitin_observer::quiz_submitted()
line 155 of /lib/classes/event/manager.php: call to call_user_func()
line 75 of /lib/classes/event/manager.php: call to core\event\manager::process_buffers()
line 835 of /lib/classes/event/base.php: call to core\event\manager::dispatch()
line 2310 of /mod/quiz/attemptlib.php: call to core\event\base->trigger()
line 2220 of /mod/quiz/attemptlib.php: call to quiz_attempt->fire_state_transition_event()
line 2030 of /mod/quiz/attemptlib.php: call to quiz_attempt->process_finish()
line 93 of /mod/quiz/view.php: call to quiz_attempt->handle_if_time_expired()