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 ('dc0d299821e75972c3d560b2a56c4c3d', -1, 1714358716, 1714358716, '030c6b1d', 3, 0)

Line : 158
File : sessions.php