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 ('9322e9647dc95b76e6620d6dd74e084a', -1, 1713309645, 1713309645, '12769172', -2, 0, 0)

Line : 187
File : sessions.php