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arock-well
Helper V
Helper V

Can't save dataflow when linking a table from another dataflow; Unknown exception error

When I'm in Dataflow A and I link to a table in Dataflow B and go to save the changes it gets this error after doing all the Validating Queries (of which it passes validation):

 

arockwell_0-1659549912950.png

 

Then it shows this "Couldn't save changes" error on Dataflow A:

 

arockwell_1-1659549989678.png

 

Hitting Retry results in the same error. There is no detailed information on what could be going on. The only way to save Dataflow A is to go back and Edit tables in Power Query and delete the linked table.

 

However, if I link a table in Dataflow C, it works correctly with no issues. 

 

Please note I've been able to link to Dataflow B in the past.

 

What could be going on here with Dataflow B? How can I figure out how to resolve this when the only error message I get is an unhelpful "Unknown exception"?

1 ACCEPTED SOLUTION
v-xiaoyan-msft
Community Support
Community Support

Hi @arock-well ,

 

There is a similar case reported in Issue forum you may refer to : Unable to save a dataflow . Or you may update the on premise data gateway to the latest version to avoid potential issue. 

 

Best Regards,
Community Support Team _ Caitlyn

 

View solution in original post

1 REPLY 1
v-xiaoyan-msft
Community Support
Community Support

Hi @arock-well ,

 

There is a similar case reported in Issue forum you may refer to : Unable to save a dataflow . Or you may update the on premise data gateway to the latest version to avoid potential issue. 

 

Best Regards,
Community Support Team _ Caitlyn

 

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