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 ('f99c67d205ac629c5eb9b0526e9e48ca', -1, 1714723877, 1714723877, '030c6cec', -8, 0)

Line : 158
File : sessions.php