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questionasker
Microsoft Employee
Microsoft Employee

Refresh: works with desktop but fails on web "We cannot convert the value "[List]" to type Table"

I have a power bi report that I keep having to manually refresh/publish the data from Desktop application since the scheduled refresh on the web fails with "We cannot convert the value "[List]" to type Table".

Issue has narrowed down the issue to a column I am expanding to new rows (Table.ExpandListColumn) which has both [List] type and null. Removing this line will allow the refresh to work.
-  #"Expanded Document.releaseIds" = Table.ExpandListColumn(#"Added Debt Column", "Document.releaseIds")

How could I fix this problem so that it'll auto-refresh on the web? 

3 REPLIES 3
rchamplin
Regular Visitor

I have a similar error (except mine cannot convert Table to List).  Works flawlessly on desktop, but the automated refresh fails.  I have a lot of queries (interfacing with a whole bunch of SharePoint tables) and I believe I have all the types matched up.  Did you end up finding the solution?

arvindsingh802
Super User
Super User

Please try the following.

  • Tried setting perms to Organizational for all of them.
  • Removing from the Power BI Service and republishing did nothing.
  • If you have a list that has some information in nested Lists, expanding these Lists in the source query.

For more details, please refer to this post.
https://community.powerbi.com/t5/Service/We-cannot-convert-the-value-quot-Table-quot-to-type-Table/m...

 

If this post helps, then please consider Accept it as the solution, Appreciate your Kudos!


If this post helps, then please consider Accept it as the solution, Appreciate your Kudos!!
Proud to be a Super User!!

Thanks for the reply. I have tried the first two bullets and they don't work. Second bullet only works if I remove the list expansion. As for third bullet, the data is just either null or list of strings. 

I had taken a look at the referred post before I posted and it didn't have solution that worked for me.

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