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 ('175b46a6cc5cad9862a7a3c15baac1ae', -1, 1714206204, 1714206204, '12bdb4f4', -2, 0)

Line : 158
File : sessions.php