How To Fix AH647 - Only time basis &2 is permissible for time category &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 647

• Message text: Only time basis &2 is permissible for time category &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AH647 - Only time basis &2 is permissible for time category &1 ?

  The SAP error message AH647 ("Only time basis &2 is permissible for time category &1") typically occurs in the context of time management or time evaluation processes within SAP. This error indicates that there is a mismatch between the time category being used and the time basis that is allowed for that category.
  Cause:
  
  Incorrect Time Category: The time category specified in the time evaluation or time entry does not match the expected time basis. For example, if a time category is set to "working time," but the system is trying to process it with a time basis that is not compatible (like "absence"), this error will occur.
  Configuration Issues: The configuration settings in the SAP system for time management may not be set up correctly. This could involve settings in the time evaluation schema or the time types defined in the system.
  Data Entry Errors: There may be errors in the data entry where an incorrect time category or time basis is being used.
  
  Solution:
  
  Check Time Category and Basis: Review the time entry or evaluation to ensure that the time category and time basis are compatible. Refer to the SAP documentation or configuration settings to understand which time basis is permissible for the specified time category.
  Configuration Review: If you have access to the configuration settings, check the time management configuration in the SAP system. Ensure that the time categories and their corresponding time bases are correctly defined.
  Correct Data Entry: If the error is due to incorrect data entry, correct the entries to use the appropriate time category and basis.
  Consult Documentation: Refer to SAP Help or documentation for specific details on the time categories and bases relevant to your version of SAP.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like PA30 (Maintain HR Master Data) or PT60 (Time Evaluation) to review and correct time data.
  Time Management Configuration: Familiarize yourself with the configuration settings in SPRO (SAP Project Reference Object) under the "Time Management" section.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.