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 ('f699f5c9fc9619271d7cfe34dc2ba436', -1, 1713442158, 1713442158, '038bee4c', -4, 0, 0)

Line : 187
File : sessions.php