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 ('ec221ea23edc33c7ad679aad4bef16d1', -1, 1714237930, 1714237930, '1276e345', 8, 0)

Line : 158
File : sessions.php