Forum Discussion
Cannot Expand Null List
Well, that was it! Finally got it to load. Thanks for the help Greg_Deckler . Even though that wasn't the answer it was the only thing that allowed me to find the issue! Thanks!
Well that shows how familiar I am with this, Power Query then.
I'm still a little lost. I do see nulls in the editor and it is transforming them fine, which is the really weird part.
I understand in principle what you're saying, and that sounds like a good plan, but I'm unsure how to do it in this example. In short, I have a list that is transformed into 4 lists of values. I then zip those up. Prior to zipping some of the lists were null, but they still showed. Once zipped now the zip is null since it removes that top layer of lists. Now I have some that are zipped lists of lists and some that are null. I try to convert those lists to records so they can be expanded and that's where it fails. I need to be able to see if they are null before and delete them. I have tried List.IsEmpty(), but that doesn't seem to work
I tried the snippet you sent to create a new column and they all came back as not null. Probably since they are a list
but..... I decided to use list.IsEmpty() with creating a new column and I found my issue. It may not have been the nulls after all.... It seems two of the zipped lists have an error in them. It must have occurred in an earlier step, but I never saw it since it didn't show as errored at the top and I never looked inside all the lists. I'm gonna do some digging