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 ('70ef1bc5c74184b0369e5fd35eeac781', -1, 1714344381, 1714344381, '030f92b8', 4, 0)

Line : 158
File : sessions.php