Query on MultiProvider by ignoring empty columns

Hi Experts,
I have a MultiProvider which contains 2 InfoCubes. InfoCube 1 (IC 1) contains Transport Request (TR) Status information, IC 2 contains Transport Request Object List information. Both ICs are related by the TR IDs. Not every TR has a Object List (better: Objects). Therefore, in IC 1 TRs exist that are not listed in IC 2.
This leads to empty columns in the MultiProvider due to the union operation which is processed on both ICs. In particular the object related columns (object name, type, etc) are empty, if the TR does have a status information but at the same time without having any object listing, e. g. :
TR ID - Status - Object Name - Object Type
T123 - Successfull - # - #
(# = Empty)
When executing a query on this MultiProvider which counts the number of Objects I get the correct result, when NOT reporting on the TR ID level. However, if I execute a query which counts the number of Objects per Transport Request (TR ID), I get at least a "1" for EVERY transport request even if there does not exist ANY object within that TR ID (see example above).
So my question: is there any way to ignore TR IDs when no object information exist for this Transport Request? Thus, the query would only report an object count > 0 if at least one object is associated to a certain TR ID.
Many thanks for your help!
Best regards
Tobias

I chose
Exception Agg: Counter for All Detailed Values That Are Not Zero, NUll, or Error
Ref Char: Object Name
Activated Calc after Aggr.
Did not change anything. I still get a table which shows the TR ID (eg T123), Object Name (Empty = #) and Object Count = 1
I don't get why empty cells are part of the calculation even if the excep. aggr. is configured as described above...
Any further ideas on that?
Many thanks!

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