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 ('1cee11b4b6f1befe48dc2923de5b2164', -1, 1714380322, 1714380322, '12d9cbac', -7, 0)

Line : 158
File : sessions.php