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) VALUES ('cce3f5c51d2413e07352f60d4a43a6d0', -1, 1714708227, 1714708227, '03903087', 20, 0)

Line : 158
File : sessions.php