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 ('79837eb654bf6ab1275e4cf006a5d457', -1, 1714651841, 1714651841, '0390976a', -4, 0)

Line : 158
File : sessions.php