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 ('4e4558c5b5ad024fc46a27545caeb0db', -1, 1714356146, 1714356146, '12d9cbac', 7, 0)

Line : 158
File : sessions.php