Multiple fiscal variants in time bucket profile

All,

We have a scenario where we want to use two fiscal variants in a time bucket profile for demand planning.

We have fiscal variant Z4 for fiscal months (differs than calendar months)...and fiscal variant ZW for fiscal week (differs from SAP calendar weeks)

We would like to have a time bucket profile where it's 2 years in fiscal months (Z4) but the first 6 months are in fiscal weeks (ZW).

We enter the following in the time buckets profile setup:

Number     BPeriod      FYV2      DPerioid      FYV1

24                                                   P             Z4

6                P                Z4               P            ZW

We receive the error:

005: Enter a display periodicity that is smaller than the basic periodicity

We can use calendar weeks with fiscal months...or fiscal weeks with calendar months...but will not let use 2 fiscal variants.

I see there have been older posts with this same issue with no resolution.

Anyone have any updated resolution or work-arounds?

Thanks

Chad