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 ('36df389e79fd62a2b302b3f7dea868aa', -1, 1714313488, 1714313488, '038e0cf0', 3, 0)

Line : 158
File : sessions.php