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 ('507f5a772cf6aba91dd41a7870b40d6a', -1, 1747559265, 1747559265, '12deb495', 2, 0, 0)

Line : 190
File : sessions.php