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 ('eeba6b6b6f698cb7a3850a1416d28706', -1, 1713275808, 1713275808, '12760755', 3, 0, 0)

Line : 187
File : sessions.php