That error refers to the fact that that storage account name is already taken (in use), Storage accounts are global resources (because they are usually published and accessed remotely via a URL), the name of the storage account may have been taken up by someone else using Azure....
We have been deploying our application through the CI CD pipeline for a few months. Recently we moved our azure subscription and since then the buld is failing with the below mentioned error. The template deployment 'arm-templatestorage' is not valid according to the valid...