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