This error I received when I try to visualize call quality report from Teams Admin Console.
Couldn't load the data for this visual Web.Contents failed to get contents from
(404): Not Found. The exception was raised by the IDbCommand interface. Please try again later or contact support. If you contact support, please provide these details. Activity ID: Request ID: Correlation ID: Time: Tue Aug 13 2019 16:33:32 GMT+0300 (GTB Daylight Time) Version: 13.0.10388.151 Cluster URI: https://WABI-WEST-US-redirect.analysis.windows.net