Importing Dimensions in Shared Library

We are upgrading to EPMA 11.1.2.4 from EPMA 11.1.2.2.500.  We need to update the Shared Library in 11.1.2.4 from Production 11.1.2.2.

We extracted ADS file from the 2 versions compared the 2 files and added the extra column in the ICP dimension for 11.1.2.4.

When we imported the ADS file, the file aborted and we have error messages related to shared account members.

"The 'IsPrimary' column is not present in the import source for dimension 'Account'. Creating all imported members as primary instances"

The 2 ADS files do not have this 'IsPrimary' column.  In the EPMA admin guide, it seemed like i should be able to set 'IsPrimary' in the Process Type when I