How To Fix AH671 - Sub-transaction &1 has a special meaning

AH671 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 671

• Message text: Sub-transaction &1 has a special meaning

What causes this issue?

Subtransaction &V1& in combination with main transaction &V2& exists in
table TFKTVO. These subtransactions have a special meaning (such as
transfer postings in invoicing) and can therefore not be used in the
rate steps.
<ZH>Example</>
Table TFKTVO contains a subtransaction for main transaction
"Consumption billing" that is used in invoicing to find the receivables
account. You cannot use this transaction to allocate a revenue account
to a rate step.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH671 - Sub-transaction &1 has a special meaning ?

  The SAP error message AH671 indicates that a specific sub-transaction code you are trying to use has a special meaning in the context of the transaction you are working with. This typically occurs in financial transactions, particularly in the context of accounting or controlling modules.
  
  Cause:
  The error arises when:
  
  You are attempting to use a sub-transaction that is reserved for a specific purpose or has predefined functionality within the SAP system.
  The sub-transaction you are trying to enter is not valid for the current transaction or context.
  There may be a configuration issue where the sub-transaction is not properly defined or is being misused.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Documentation: Review the SAP documentation or help files related to the specific transaction you are using. This can provide insights into the valid sub-transactions and their meanings.
  
  
  Use Valid Sub-Transaction: Ensure that you are using a sub-transaction that is appropriate for the current context.