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 ('618f07e226c9a70f374695391609224c', -1, 1713571675, 1713571675, '12bdb44c', -10, 0, 0)

Line : 187
File : sessions.php