This means that Keap doesn't support this file type. This data validation error can be ignored. Related Articles"FIELD_CUSTOM_VALIDATION_EXCEPTION""Note/Activity could not be saved. Check your request""[addresses] {"errors"=>{"0"=>{"errors"=>[], "field-errors"=>{"state"=>"State \"X\" is not a valid choice."}}}}"Message: [Resource Not Found]Excluding Record Types from the Migration