Unstable expression

[reggieneo]

Hi,
I have this expression that is being invoked by an action when form is saved. it was working for more than a month. after a while it won’t.
can please assist me what went wrong

I tested it and still is providing correct answer but not making a changes in the targeted other table’s column
ANY(
SELECT(
Expenses Details[Cost],
AND(
([Expenses Item] = “Short”),
([Date] = [_ThisRow].[Date]),
([Over or Short Name] = [_ThisRow].[Name]))
)
)