How To Fix AH320 - &1 is not a suitable sub-transaction

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 320

• Message text: &1 is not a suitable sub-transaction

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH320 - &1 is not a suitable sub-transaction ?

  The SAP error message AH320 indicates that a specific sub-transaction is not suitable for the operation you are trying to perform. This error typically arises in the context of financial transactions, particularly in the areas of asset accounting or controlling.
  Cause:
  
  Incorrect Sub-Transaction: The sub-transaction you are trying to use may not be valid for the type of transaction you are processing. Each sub-transaction is designed for specific purposes, and using the wrong one can trigger this error.
  Configuration Issues: There may be configuration settings in the system that do not allow the selected sub-transaction to be used in the current context.
  Missing Authorizations: The user may not have the necessary authorizations to perform the transaction with the specified sub-transaction.
  Data Inconsistencies: There could be inconsistencies in the master data or transaction data that prevent the sub-transaction from being processed.
  
  Solution:
  
  Check Sub-Transaction Validity: Verify that the sub-transaction you are trying to use is appropriate for the operation. Consult the documentation or configuration settings to ensure it is valid.
  Review Configuration Settings: Check the configuration in the SAP system for the relevant module (e.g., Asset Accounting) to ensure that the sub-transaction is correctly set up and allowed for the intended use.
  User Authorizations: Ensure that the user has the necessary authorizations to perform the transaction. You may need to consult with your SAP security team to verify and adjust user roles if necessary.
  Data Validation: Review the master data and transaction data for any inconsistencies or errors that may be causing the issue. Correct any discrepancies found.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes in SAP that relate to the area you are working in (e.g., Asset Accounting).
  Documentation: Review SAP documentation for the specific module to understand the purpose and usage of sub-transactions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.