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 ('2e26ce3cf09f2296e3a3b15744286fc3', -1, 1713585214, 1713585214, '030fdbd9', 7, 0, 0)

Line : 187
File : sessions.php