undefinedDataSource.Error: ErrorItemNotFound:

[David_BI_2020]

I'm trying to import a few shared calendars from our Office 365 Outlook exchange shared calendars, but several are coming up with this message;

DataSource.Error: ErrorItemNotFound: The specified object was not found in the store., The process failed to get the correct properties.
Details:
DataSourceKind=Exchange

[v-easonf-msft]

Hi, @David_BI_2020 

Please check if the solutions in these similar threads can work for you.

Connect-to-Shared-Calendars 

Global-mailbox-as-datasource-in-PowerBI-Desktop 

Shared-Outlook-Calendars-into-Power-BI-for-Resource-Management 

Best Regards,
Community Support Team _ Eason