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 ('d074fc12d057280810b7704d497fe981', -1, 1713506334, 1713506334, '038b68d6', -10, 0, 0)

Line : 187
File : sessions.php