Hi,
Sorry but BizTalk is currently not supported in the Q&A forums, the supported products are listed over here: https://video2.skills-academy.com/en-us/answers/products/. We have to change the tag to not-supported. Hope you don't mind.
For the related questions about BizTalk, perhaps you can visit Sandro Pereira's blog to check whether there's a solution. Also, if you'd like to post the issue on third party forums, here are some of them:
SSAS cannot make any change to the model so we think BizTalk is the culprit.
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
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