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PowerFX - "Collection was of a fixed size" error

Posted on 22 Nov 2024 21:53:34 by
I have a Text field on my Power Pages site that I'm attempting to populate using PowerFX.
 
This works:
 
=LookUp(Contacts,Contact=User.DataverseUserId).'First Name'
 
 
 
However, what I actually want to do is something like this:
 
=LookUp(Contacts,Contact=User.DataverseUserId).'Custom Attribute Record'.'Custom Attribute Name'
 
 
When I do this, the output I get is: "Collection was of a fixed size"
 
How can this be resolved?
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