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, session_admin) VALUES ('0185c0aa9dddc191e4cd36f1c7b5c954', -1, 1713977073, 1713977073, '038cb993', -4, 0, 0)

Line : 187
File : sessions.php