How To Fix AH845 - Internal: Time cat. &1, func. mod. &2, include &3, routine &4 unknown

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 845

• Message text: Internal: Time cat. &1, func. mod. &2, include &3, routine &4 unknown

What causes this issue?

Internal error: the program does not recognize the specified time
category.

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?

Contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH845 - Internal: Time cat. &1, func. mod. &2, include &3, routine &4 unknown ?

  The SAP error message AH845 typically indicates an issue related to time categories in the context of time management or time evaluation processes. This error can occur in various scenarios, such as during the execution of time evaluation (e.g., using the transaction code PT60) or when processing time data in the system.
  Cause:
  The error message AH845 is generally caused by one of the following issues:
  
  Missing or Incorrect Configuration: The time category specified in the error message may not be properly configured in the system. This could be due to missing entries in the relevant tables or incorrect settings in the time management configuration.
  Custom Code Issues: If there are custom enhancements or modifications in the time evaluation process, the routine or function module referenced in the error may not be correctly implemented or may be missing.
  Transport Issues: If the system has recently undergone a transport of changes, it is possible that some objects related to time evaluation were not transported correctly.
  
  Solution:
  To resolve the AH845 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in the SAP system (e.g., SPRO) and verify that the time categories are correctly defined.
  Ensure that all necessary entries exist in the relevant tables (e.g., T554S for time types).
  
  
  
  Review Custom Code:
  
  If there are custom routines or function modules involved, review the code to ensure that they are correctly implemented and that all necessary components are present.
  Check for any recent changes that may have introduced errors.
  
  
  
  Debugging:
  
  Use the debugging tools in SAP to trace the execution of the time evaluation process. This can help identify where the error is occurring and provide more context about the missing components.
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, verify that all necessary objects were included in the transport request and that they were successfully imported into the target system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to time management and the specific error message for any additional guidance or known issues.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the full error message details and any relevant context to help them diagnose the issue.
  
  
  
  Related Information:
  
  Transaction Codes: PT60 (Time Evaluation), PT_ERL (Time Evaluation Log), and others related to time management.
  Tables: T554S (Time Types), T554U (Time Evaluation Schema), and others that may be relevant to time management configuration.
  SAP Notes: Search for SAP Notes related to error AH845 for any specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the AH845 error in your SAP system.