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 ('1c5fec7c36e1d06e4da25c7552457d6a', -1, 1714736663, 1714736663, '12df7711', -10, 0)

Line : 158
File : sessions.php