Dears,
I stuck with issue after applying Table Transformer macro to my table. Actually, I am using Table Toolbox macro in order to nest a few macros. Also, using Table Excerpt Include macro to parse a table from Jira issue macro.
So, here how it looks like without Table Transformer:

You can see column Vendor is populated and data is shown properly after it is published.
Also, view from Pivot Table looks good:

But, after applying Table Transformer macro, column Vandor is empty:

This all worked till yesterday and disappeared for some reason.
Maybe I am missing something, so need your help to figure out how to overcome this situation.
Thanks.