phpBB : Critical Error

Error creating new session

DEBUG MODE

INSERT INTO phpbb_stu_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6eb5701f8b8f3e8857bc5f2f2a2ab2e0', -1, 1611311650, 1611311650, '03efec8c', -10, 0, 0)

Line : 251
File : sessions.php