Process Control 10.1 Business Rule Ad-Hoc Error

Hi,

I am getting below error message when testing the Ad-Hoc query for my Business Rule.

"Communication failure with remote system xxxCLNTxxx Type conflict at call of a method."

This is a business rule for the "Client Settings Changes" (table T000).  For any field I use as deficiency field from table T000, this error message pops-up during Ad-Hoc query testing.

RFC user has SAP_ALL so I am ruling out the authorization issue. Table logging is active in the backend system and T000 table changes are getting recorded.

Any help is much appreciated.

Thanks,

Jay