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 ('3d95471925b83a658f19247a3d51b2a3', -1, 1714586280, 1714586280, '0380cc8c', 18, 0)

Line : 158
File : sessions.php