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 ('558b03a5e4ad5d64bc0c160e51e04ebc', -1, 1714291063, 1714291063, '1276d2d5', 18, 0)

Line : 158
File : sessions.php