phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('552891b7304d0dcf87ba7ad567dd04e3', -1, 1715225357, 1715225357, '12dc89a4', -1, 0, 0)

Line : 189
File : sessions.php