Rebuilding ReportServerTempDB

Whist reviewing various logs on SQL Servers across the estate I was greeted with the following error on one of our SQLExpress instances this morning: The application domain WindowsService_22 failed to initialize. Error: Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerStorageException: An error occurred within the report server database.  This may be due to a connection failure, timeout or low disk condition […]