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 ('b12419e027483e95a5d7ee4bb37bf4bc', -1, 1713968618, 1713968618, '0d3afc08', -1, 0, 0)

Line : 187
File : sessions.php