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Debug info: BIGINT UNSIGNED value is out of range in '(`moodle`.`qa`.`timefinish` - `moodle`.`qa`.`timestart`)'
SELECT CONCAT(u.id, '#', COALESCE(qa.attempt, 0)) AS uniqueid, qa.uniqueid AS attemptuniqueid, qa.id AS attempt, u.id AS userid, u.idnumber, u.firstname, u.lastname, u.picture, u.imagealt, u.email, qa.sumgrades, qa.timefinish, qa.timestart, qa.timefinish - qa.timestart AS duration , COALESCE((SELECT MAX(qqr.regraded) FROM mdl_quiz_question_regrade qqr WHERE qqr.attemptid = qa.uniqueid),-1) AS regraded FROM mdl_user u LEFT JOIN mdl_quiz_attempts qa ON qa.userid = u.id AND qa.quiz = ? WHERE qa.id IS NOT NULL AND qa.preview = 0 ORDER BY uniqueid ASC LIMIT 0, 30
[array (
0 => '4',
)]

Stack trace:

• line 391 of \lib\dml\moodle_database.php: dml_read_exception thrown
• line 790 of \lib\dml\mysqli_native_moodle_database.php: call to moodle_database->query_end()
• line 1354 of \lib\tablelib.php: call to mysqli_native_moodle_database->get_records_sql()
• line 323 of \mod\quiz\report\overview\overview_table.php: call to table_sql->query_db()
• line 1375 of \lib\tablelib.php: call to quiz_report_overview_table->query_db()
• line 390 of \mod\quiz\report\overview\report.php: call to table_sql->out()
• line 90 of \mod\quiz\report.php: call to quiz_overview_report->display()

 

I am using the in built mysql package. How can i fix it? can anyone help me please..

 

Thanks,

Rijil