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 ('2334546bfc6181b3baabcadf09976a0f', -1, 1714452278, 1714452278, '12df7ddb', -4, 0)

Line : 158
File : sessions.php