Unable to find the Account Group field enabled in BP - Classification tab in SAP CRM

Hi ALl,

I tried the link

http://scn.sap.com/thread/1685957

to enable the R/3 Account group in SAP CRM.

1.-Run transaction BUCG

2.-Add the role ZCRM01 ( Copy of CRM001 Sold To-Party)

3.-Double Click into ZCRM01 and select CRM Clasificaction. Check R/3 Account Group as a required field. This is a mandatory requirement in this process

4.-Save the settings

5.-Run BP Tx

6.-Click on Organization as BP Category

7.-Select ZCRM01 role in the BP Role field drop down list

8.-Maintain address data and click on Classification tab

But its not working ..

could not enable the Account group field in SAP CRM.

Pld find the screen sht attached..

ANy suggestion pls..