How To Fix FMHIE811 - The combination of BA def.rule and PA def.rule is not allowed

FMHIE811 - Overview

• Message type: E = Error

• Message class: FMHIE - Budget Hierarchies

• Message number: 811

• Message text: The combination of BA def.rule and PA def.rule is not allowed

What causes this issue?

It does not make sense to set the budget address (BA) definition rule as
<ZK>All Addresses Except Leafs are Valid Budget Address </>and<ZK> </>
posting address (PA) definition rule as <ZK>Posting Addresses are
Hierarchy-Independent </>at the same time<ZK>.</>

System Response

Processing stops.

How to fix this error?

Change your BA and PA definition rules to produce a different
combination.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

FMHIE811 - Details

• The SAP error message FMHIE811 indicates that there is an issue with the combination of the budget availability (BA) definition rule and the posting availability (PA) definition rule in the context of budget management. This error typically arises when the configuration settings for budget control are not compatible with each other.
  
  Cause:
  
  
  Incompatible Rules: The error occurs when the combination of the budget availability control rule and the posting availability control rule is not allowed. This can happen if:
  
  The rules are set up in a way that they contradict each other.
  The configuration settings for the budget and posting availability are not aligned.
  
  
  
  
  Configuration Issues: There may be a misconfiguration in the settings for budget control in the SAP system, particularly in the Customizing settings for the Budget Control System (BCS).
  
  
  Transaction Type: The transaction type being used may not be compatible with the defined rules.
  
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the Customizing settings in SAP (transaction SPRO).
  Navigate