List not showing a list

[Rod]

I have a virtual column with this expression to show a list result:

SELECT(Trips[ID],
AND(
([Driver]=[_THISROW].[Driver]),
([Date]>=[_THISROW].[Start Date]),
([Date]<=[_THISROW].[End Date]
)))

I've used this in other apps and it works great but for some reason in this app it's not showing the entire list. The result is this:

Then I get an error in a report that I'm generating to send out that says it's not a list. 

So the question is, what am I doing wrong? Where should I look for errors? 

Thanks!

[TeeSee1]

What is the col definition of Trips?

Since you are retrieving IDs, I would assume it needs to be NOT text, but of a List with Ref to Trips?

[Rod]

The Trips column def is List which the app auto detects when the expression is saved...I think..

[Rod]

It's working now. Frustrating, finally removed the table, reinstalled it used the same expressions and now all of the columns are showing up.