Missing Field "reference" in Custom Report

Hello, since the latest update (version 20.10.94) I am missing the field “reference” in the seletion box. Can this be added (back)? Thanks!

That is not the most recent version. You are about 10 versions behind. Regardless, you probably updated from a much older version. Reference is now a second-tier variable. You first have to select the transaction type, for example:

Screen Shot 2021-01-06 at 9.50.49 AM

Got it. Thanks for the explanation.