How To Fix AH790 - Update type &1 not permitted for period category &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 790

• Message text: Update type &1 not permitted for period category &2

What causes this issue?

During analysis of the schema, a step was found that contains the
internal period category &V2& and the output operand with update type
&V1&. This combination is not permitted.

System Response

How to fix this error?

An internal error has occurred; contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH790 - Update type &1 not permitted for period category &2 ?

  The SAP error message AH790 indicates that there is an issue with the update type being used for a specific period category in the system. This error typically arises in the context of financial postings or updates in SAP, particularly when dealing with periods that have specific restrictions or settings.
  Cause:
  The error message "AH790 Update type &1 not permitted for period category &2" usually occurs due to one of the following reasons:
  
  
  Incorrect Update Type: The update type specified in the transaction is not allowed for the given period category. Each period category in SAP has specific rules regarding which update types can be used.
  
  
  Period Status: The period may be closed or locked for posting, which means that certain types of updates cannot be processed.
  
  
  Configuration Issues: There may be configuration settings in the controlling area or financial settings that restrict the use of certain update types for specific period categories.
  
  
  Posting Period: The posting period may not be open for the type of transaction you are trying to execute.
  
  
  Solution:
  To resolve the AH790 error, you can take the following steps:
  
  
  Check Update Type: Verify that the update type you are using is appropriate for the period category. You can refer to the SAP documentation or configuration settings to understand which update types are allowed.
  
  
  Review Period Status: Check the status of the posting period in the relevant transaction (e.g., transaction code OB52 for controlling periods). Ensure that the period is open for the type of posting you are attempting.
  
  
  Adjust Configuration: If necessary, consult with your SAP configuration team to review the settings for the period category and update types. They may need to adjust the configuration to allow the desired update type.
  
  
  Use Correct Transaction: Ensure that you are using the correct transaction code for the type of posting you are trying to perform. Some transactions may have specific restrictions based on the period category.
  
  
  Consult Documentation: Refer to SAP Notes or documentation related to the specific error message for additional guidance and troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB52 (for managing posting periods) and other financial transaction codes that may be relevant to your issue.
  SAP Notes: Search for SAP Notes related to error AH790 for any specific patches or updates that may address the issue.
  User Roles and Authorizations: Ensure that the user executing the transaction has the necessary authorizations to perform updates in the specified period category.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.