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 ('b75eedefc786c12cfb7ce6483ecc185b', -1, 1715912299, 1715912299, '12de68c4', 1, 0)

Line : 158
File : sessions.php