OData: Message OData[0100] "contents ... not available"
ETL+ error message “OData[0100] - The contents of table TransfersV10 are not available for this use.
The remote server returned an error (403) Forbidden.”
Error Messages
OData[0100] - The contents of table TransfersV10 are not available for this use.
The remote server returned an error (403) Forbidden.
“You do not have access to this entity set.”

Look at the GI is a browser
Conditions
Just moved to a new tenant
Error message saying that the contents of the GI are not available for the user/forbidden,
Resolution
Examine the OData URL in a web browser.
In ETL+, verify URL is correct in the Odata connection (ETL+ Source Object panel).
That the user that you were using in the old tenant exists in the new tenant
That the user has permissions in the new tenant to pull data from the particular GI
That the user in the new tenant has the correct roles to pull data at all
OData checkbox selected for the GI’s.