Using Dimension Measures - COUNT, etc.. within Fact Results

All,
I am running into an issue that I imagine is relatively straight forward if you know what youre doing but I cant seem to get it right. I am trying to include some counts from my Dimensions alongside measures from my fact table.
To do this I have setup my Dimensions as Facts that I require counts from. In a simple example I have:
EVENT_FACT
Timestamp
User Id
Building Id
Event Type
existing measure = Event Count
USER_BUILDING_DIM
User Id
Building Id
Building Type
USER_BUILDER_DIM contains a record for each user and the building they are contained in along with a type. Users can exist in multiple buildings so this table's key is User Id and Building Id.
When I run a query from the FACT table I want to show the total number of Distinct Users in that build next to each result. To make this work I have done the following:
1. Setup the USER_BUILDING_DIM as a fact in my BMM, the only table that joins to this Fact table is the USER_BUILDING_DIM itself
2. In the USER_BUILDING_DIM (DIMENSION) hierarchy I have 3 levels, total, building and user ... I want my count of all users for each building
3. Created a measure called User Count - Distinct in the USER_BUILDING_DIM (FACT) table and set it to the Building level in the USER_BUILDING_DIM (DIMENSION) hierarchy. That is the only level I set for this measure
When I go into answers and I create a query like:
Building Id, Event Count, User Count - Distinct
The query comes back perfect and shows me for each building the total event count from the EVENT_FACT table and then alongside it the Distinct User count for users in that building counted from the USER_BUILDING_DIM table.
The Issue occurs when I add any other dimensions into the request that hang off of the EVENT_FACT table, such as Month from my Time Dimension which also hangs off of the EVENT_FACT table:
Month, Event Count, User Count - Distinct
Now, for the query above the User Count - Distinct value returns nothing and when I look in the logs Answers is not even performing a count anymore and instead is just joining the USER_BUILDING_DIM to the EVENT_FACT table and TIME Dimension
Any thoughts .. thanks in advance
K

Hi,
You are getting no results in "User Count Distinct" when you also drag "Month" because "USER_BUILDING_DIM_FACT" doesn't join to the Time Dimension.
This Fact doesn't have any Time information so it's not possible to obtain the "USER_BUILDING_DIM_FACT"."User Count Distinct" measure with Time Dimension columns.
You are trying to count users by Month but you don't have this information in your model. You can only count users by month which have events associated to it.
Regards

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