Unknown column 'hidden' in 'where clause'

[dharmikvyas]

Hi, I am getting following debug information when attempting to delete .. `Execute scheduled task: Old quiz and question attempts deletion (local_deleteoldquizattempts\task\delete_attempts_task) ... started 18:20:01. Current memory use 20.7 MB. Deleted 0 quiz attempts. ... used 2 dbqueries ... used 0.036534070968628 seconds Scheduled task failed: Old quiz and question attempts deletion (local_deleteoldquizattempts\task\delete_attempts_task),Error reading from database Debug info: Unknown column 'hidden' in 'where clause' SELECT * FROM mdl_question WHERE hidden = ? AND NOT EXISTS ( SELECT 1 FROM mdl_question_attempts WHERE mdl_question_attempts.questionid = mdl_question.id ) AND NOT EXISTS ( SELECT 1 FROM mdl_quiz_slots WHERE mdl_quiz_slots.questionid = mdl_question.id ) [array ( 0 => 1, )] Backtrace:

• line 1212 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
• line 1394 of /lib/dml/moodle_database.php: call to mysqli_native_moodle_database->get_recordset_sql()
• line 132 of /local/deleteoldquizattempts/classes/helper.php: call to moodle_database->get_recordset_select()
• line 184 of /local/deleteoldquizattempts/classes/helper.php: call to local_deleteoldquizattempts\helper->delete_unused_questions()
• line 55 of /local/deleteoldquizattempts/classes/task/delete_attempts_task.php: call to local_deleteoldquizattempts\helper->task_handler()
• line 253 of /lib/cronlib.php: call to local_deleteoldquizattempts\task\delete_attempts_task->execute()
• line 120 of /lib/cronlib.php: call to cron_run_inner_scheduled_task()
• line 73 of /lib/cronlib.php: call to cron_run_scheduled_tasks()
• line 178 of /admin/cli/cron.php: call to cron_run() `

[vadimonus]

@dharmikvyas , please provide information about your moodle version, plugin version and environment