Transparant Partitions Error

@LEVMBRS("Period"

Hi All,

I get the below error when i save a transparent partition  between two BSO cubes. Below are details of my partition.

 [Target] - Partition definition is not valid: [Dimension count mismatch in area 1]

Area 

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Source

"ACT_PSFT" "WAG" "Total Brands" "No_Project" "Brand Group#" "FY13" "No_ICP" "Working" @LEVMBRS("Period","Lev0,Period") "Total POS" 

Target

 "ACT_PSFT" "610100" "Interns" "No_Project" "D2-USS-SCM" "FY13" "No_ICP_Vendor" "Working" @LEVMBRS("Period","Lev0,Period")

My Mapping

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"WAG" "610100"

 "Total Brands" "Interns" 

 "No_Project" "No_Project"

 "Brand Group#" "D2-USS-SCM" 

 "FY13" "FY13" 

 "No_ICP" "No_ICP_Vendor"

 "Period" "Period" 

 "ACT_PSFT" "ACT_PSFT"