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 ('3cf1b289949a7907687e96ce80048722', -1, 1713930580, 1713930580, '03131f49', -11, 0, 0)

Line : 187
File : sessions.php