@Antrod :
A bit more info: I have an Excel spreadsheet containing many rows of financial transactions. I wish to train the model to extract a single "Organization" entity from each row.
1st step: the data is loaded from a Dataverse table which was loaded from the Excel sheet. The "Remarks" column contains text.
2nd step:

3rd step: I have to redact the text here for privacy, but here I edit the tags, and "Organization" is the only one I want.

4th step:
5th step, and this is where it throws the error:
Here are the details:
This is the first time I've used AI Builder, so I'm sure I'm not using it correctly or maybe I have the wrong use case. Any guidance is appreciated.