3132475 - Error FMGENERIC002 - You cannot activate the functional area

You would like to active Functional Area in the following SPRO path:

Public Sector Management 
-> General Settings for Public Sector Management 
->> Basic Settings: Account Assignment Elements 
->>>Activate Account Assignment Elements 

But when you try to activate it, you receive the error: 

"FMGENERIC002- You cannot activate the functional area"

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

• Financial Accounting (FI)
• SAP R/3
• SAP R/3 Enterprise 4.7
• SAP ERP Central Component
• SAP ERP
• SAP enhancement package for SAP ERP
• SAP enhancement package for SAP ERP, version for SAP HANA

FMGENERIC002, activation Functional Area, master data, Account Assignment Elements, Cost Sales Accounting, Funds Management, T001-XCOS. , KBA , PSM-FM-MD , Master Data , Problem