The Execute method of job definition Microsoft.AnalysisServices.SPAddin.UsageProcessingTimerJob (ID 726034a7-b9a9-45a6-b720-640b3f785e49) threw an exception. More information is included below. Call to Excel Services returned an error.
System.InvalidOperationException: Call to Excel Services returned an error. ---> Microsoft.AnalysisServices.SPClient.Interfaces.ExcelServicesException: We're sorry. We ran into a problem completing your request