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 ('76afd38b7917fce657f05e6f7a6cf608', -1, 1714127010, 1714127010, '0390248d', -1, 0)

Line : 158
File : sessions.php