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 ('f4433525cd4a5f286b18f422cb0222a6', -1, 1714685850, 1714685850, '030e502d', -8, 0)

Line : 158
File : sessions.php