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 ('190e11149cc2418ba21e8cfa36f3cacf', -1, 1714242766, 1714242766, '03864e6a', -4, 0)

Line : 158
File : sessions.php