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 ('4dd2546b2e08ab03ec5d9d34446ecee3', -1, 1713731461, 1713731461, '2cd295cd', -11, 0, 0)

Line : 187
File : sessions.php