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, session_admin) VALUES ('b1ef46c98c36a6d5e7371c67cbda1322', -1, 1713894482, 1713894482, '030e06c2', -4, 0, 0)

Line : 187
File : sessions.php