How do I make a filter with two columns?

Hello! I have a column with the seller number and another where it says if it is paid or not. I want to make a slice with each seller so that they inform me what is unpaid. I used the following expression: SELECT (“SELLER” (4), “PAID” <> (PAID)) but it tells me: SELECT has invalid inputs
What am I doing wrong?

Lots of things. Read this:

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I imagined that! :joy:
Now I read it, I did not find any tutorial or information for what I want to do.
Thanks a lot

You might find something helpful from this

and there’s tons of helpful stuff in here as well