phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6ad7342b5609ac8f44e1ac999c516897', -1, 1715048764, 1715048764, '03864c33', -2, 0, 0)

Line : 189
File : sessions.php