I am trying to filter on only the null values for the fields Date Voided and Date Reconciled. The dataset I am using has data on the lines where these date fields are null. For some reason when I filter on either of the dates on the null value, it does not return any data. No other filters are set on this card.
This is a common question: here's one (of many) answers to it:
https://community-forums.domo.com/main/discussion/comment/86113#Comment_86113?utm_source=community-search&utm_medium=organic-search&utm_term=filter+on+nulls
If you found it frustrating/unintuitive, you could vote on several of the idea exchange ideas to improve null filtering: