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 ('4a25171cd331b62ede5afdd483618d67', -1, 1713576997, 1713576997, '038a7414', -10, 0, 0)

Line : 187
File : sessions.php