How To Fix FMCU020 - Combination &1 / &2 is not allowed for automatic posting for &3, &4

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCU - Customizing for budgeting in FM

• Message number: 020

• Message text: Combination &1 / &2 is not allowed for automatic posting for &3, &4

What causes this issue?

You want to use the process/budget type combination &V1&/&V2& in FM area
&V3& with &V4& in order to have the system carry out an automatic
posting. However, the current Customizing settings only allow the use of
this combination for manual postings.

System Response

How to fix this error?

Choose a process/budget type combination for which the flag <LB><LS>No
manual posting</></><LS> </>is set in Customizing.

Procedure for System Administrators

If you want to change the Customizing settings, choose the Customizing
pushbutton.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMCU020 - Combination &1 / &2 is not allowed for automatic posting for &3, &4 ?

  The SAP error message FMCU020 indicates that a specific combination of account types or other parameters is not allowed for automatic posting in the context of financial transactions. This error typically arises in the context of financial accounting, particularly when dealing with automatic postings in the SAP system.
  
  Cause:
  The error message FMCU020 can occur due to several reasons, including:
  
  
  Invalid Account Combination: The combination of the specified accounts (e.g., &1 and &2) is not valid for the type of transaction being processed (e.g., &3 and &4). This could be due to configuration settings in the financial accounting module.
  
  
  Account Type Restrictions: Certain account types may have restrictions on how they can be used together in automatic postings. For example, you may not be allowed to post to a revenue account and an expense account simultaneously.
  
  
  Posting Rules: The posting rules defined in the system may not allow the combination of accounts for the specific