The customer is trying to use a web service that has a URL like this, https://www.test.xxx/svc/data?variable=[something] but DNN is overwriting the URL and shows an error message like this, "The page does not exist"
1. Go to Persona Bar > SEO > URL Management > Expressions
|/svc/ to the Do Not Rewrite URL Regular Expression
Credits: Radu Vaduva