Estoy realizando la actualizaci[on, pero me aparece esto y no se que hacer:
Error writing to database
Debug info: MySQL server has gone away
INSERT INTO mdl_question_attempt_steps (fraction,timecreated,userid,state,sequencenumber,questionattemptid) VALUES(?,?,?,?,?,?)
[array (
0 => 1,
1 => '1387557804',
2 => '466',
3 => 'gradedright',
4 => 2,
5 => 1777579,
)]
INSERT INTO mdl_question_attempt_steps (fraction,timecreated,userid,state,sequencenumber,questionattemptid) VALUES(?,?,?,?,?,?)
[array (
0 => 1,
1 => '1387557804',
2 => '466',
3 => 'gradedright',
4 => 2,
5 => 1777579,
)]
Stack trace:
- line 397 of \lib\dml\moodle_database.php: dml_write_exception thrown
- line 975 of \lib\dml\mysqli_native_moodle_database.php: call to moodle_database->query_end()
- line 1017 of \lib\dml\mysqli_native_moodle_database.php: call to mysqli_native_moodle_database->insert_record_raw()
- line 300 of \question\engine\upgrade\upgradelib.php: call to mysqli_native_moodle_database->insert_record()
- line 259 of \question\engine\upgrade\upgradelib.php: call to question_engine_attempt_upgrader->insert_record()
- line 222 of \question\engine\upgrade\upgradelib.php: call to question_engine_attempt_upgrader->save_usage()
- line 177 of \question\engine\upgrade\upgradelib.php: call to question_engine_attempt_upgrader->convert_quiz_attempt()
- line 132 of \question\engine\upgrade\upgradelib.php: call to question_engine_attempt_upgrader->update_all_attempts_at_quiz()
- line 1112 of \mod\quiz\db\upgrade.php: call to question_engine_attempt_upgrader->convert_all_quiz_attempts()
- line 540 of \lib\upgradelib.php: call to xmldb_quiz_upgrade()
- line 271 of \lib\upgradelib.php: call to upgrade_plugins_modules()
- line 1437 of \lib\upgradelib.php: call to upgrade_plugins()
- line 269 of \admin\index.php: call to upgrade_noncore()