phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'phpbb_sessions.session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('972bd9fc403cea664abc832f3dd5ef97', -1, 1664245197, 1664245197, '12d0bb80', -8, 0, 0)

Line : 187
File : sessions.php