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 ('89b90cf8c056b4038bd47f713b02511f', -1, 1713104554, 1713104554, '03ebac7b', -1, 0, 0)

Line : 187
File : sessions.php