All errors code: https://www.linguise.com/documentation/debug-support/wordpress-plugin-error-codes/
Error: Translation not allowed
Linguise does not allow your domain to make translation. Please verify that you’re not in one of
these cases :
- Your trial is expired
- You have reached your translation quota
- You don’t have a valid subscription for this domain
Error: Content type not translatable
- This error is returned when a translation is tried on a content that is not an HTML document. For example, when you try to translate an XML page.