Refreshing issue.

[BhanuPBI]

Hi Team, 

can any one help me to figure it out below error while iam refreshing in desktop the report through some error as shown in below.

please help me.

Expression.Error: We cannot convert the value "{"error":{"code":"Se..." to type List. Details:     Value={"error":{"code":"ServerConfiguration","message":"An invalid exception handler routine has been detected.","target":"AvaTaxApiServer","details":[{"code":"UnhandledException","number":50,"message":"An invalid exception handler routine has been detected.","description":"This error has been logged and reported to Avalara system administrators.  No action is required.","faultCode":"Client","helpLink":"https://developer.avalara.com/avatax/errors/UnhandledException","severity":"Exception"}]}}     Type=[Type]