phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('5cd7f8f329dacb261897af95e0487a36', -1, 1714776548, 1714776548, '03916f7d', 8, 0)

Line : 158
File : sessions.php