Xbox input returns Error code 500

[Gamblord]

"java -jar bltool.jar --xbox-name "%XBOX_NAME%" --bl-name "%BL_NAME%" --bl-pass "%BL_PASS%" --filter-from backloggery --from xboxlive --to text --output games.txt
%EDITOR% games.txt
Got Xuid {
"success": false,
"error_code": 500,
"error_message": "A new login is required to get fresh access tokens"
) for gamertag [Gamertag]"

Sorry I'm still sort of new to this sort of thing.