Deployment to resource group ‘kml_rg_main-948f9d13f08049bb’ failed.
Additional details from the underlying API that might be helpful: At least one resource deployment operation failed. Please list deployment operations for details. Please see Deployment history - Azure Resource Manager | Microsoft Learn for usage details.
Usually we see these kind of errors when you are requesting a resource on Azure that we do not permit for the playground. The playground has a fairly detailed list of limits of what you can specify for various services, and this will be part of what you see in a console error. What exactly are you trying to do when you get this problem here?