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 ('c6fdec925c4c07fbe1c8d047134e65f1', -1, 1611335350, 1611335350, '12cf6cb6', 13, 0, 0)

Line : 251
File : sessions.php