"Cannot filter by field [status] because it is a complex, multiple, or chil

"Cannot filter by field [status] because it is a complex, multiple, or child of a multiple data type. (APNX-1-4203-020)"

Why am I getting this error?
I have two CD's "A" and "B"
their relationship is "A" has many "B"
I am trying to apply filter on a column of "B" by referring it in CDT "A" ...

OriginalPostID-130523

OriginalPostID-130523

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