UPDATE: The issue has been resolved. If you still encounter issues, open a support ticket.
Message:
OData: The feed’s metadata document appears to be invalid. Table: Subject.
If you’ve been working with Power BI and pulling data from Dynamics 365, you might have encountered an issue with the OData connection. This applies when connecting to Dynamics 365 either using Power BI, Excel, or even when using the Power BI content packs for Sales Analytics and Customer Service Analytics. You will either get the following error when using Power BI or Excel:
Or you will see in your logs on Power BI:
This is a relatively recent occurrence (first I’ve encountered it was on Feb. 07, 2018), and it does not affect all environments. It’s been identified as a known issue and logged on the Power BI support site at
https://powerbi.microsoft.com/en-us/support/
Waiting for the next update on a resolution.
thatcrm.com 
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