How To Fix AH191 - EquiNo. &1 Reg. &2 (logic reg. &3): at least two MR results required

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 191

• Message text: EquiNo. &1 Reg. &2 (logic reg. &3): at least two MR results required

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AH191 - EquiNo. &1 Reg. &2 (logic reg. &3): at least two MR results required ?

  The SAP error message AH191 indicates that there is an issue with the evaluation of a piece of equipment or a functional location in the context of maintenance planning and execution. Specifically, the message states that at least two maintenance results (MR results) are required for the specified equipment number (EquiNo. &1), registration number (Reg. &2), and logic registration (logic reg. &3).
  Cause:
  The error typically arises in the following scenarios:
  
  Insufficient Maintenance Results: The system requires at least two maintenance results to perform a certain operation, such as calculating performance metrics or generating reports. If there is only one or no maintenance result recorded for the specified equipment, this error will occur.
  Data Entry Issues: There may be issues with how maintenance results were entered or recorded in the system, leading to incomplete data.
  Configuration Issues: The system configuration may require a minimum number of maintenance results for certain evaluations or reports, which may not be met.
  
  Solution:
  To resolve the AH191 error, consider the following steps:
  
  
  Check Maintenance Results:
  
  Navigate to the relevant equipment or functional location in the SAP system.
  Review the maintenance results recorded for the specified equipment. Ensure that there are at least two valid maintenance results available.
  
  
  
  Enter Additional Maintenance Results:
  
  If there are fewer than two maintenance results, you will need to create and enter additional maintenance results for the equipment. This can typically be done through the maintenance order or notification process.
  
  
  
  Verify Data Integrity:
  
  Ensure that all maintenance results are correctly entered and that there are no missing or erroneous entries. Check for any incomplete records that may need to be finalized.
  
  
  
  Consult Configuration Settings:
  
  If the issue persists, consult with your SAP configuration team to review the settings related to maintenance results. There may be specific configurations that dictate the minimum number of results required for certain operations.
  
  
  
  Documentation and Support:
  
  Refer to SAP documentation or help resources for further guidance on handling maintenance results and related error messages.
  If necessary, reach out to SAP support for assistance, especially if the issue is related to system configuration or if you encounter unexpected behavior.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW32 (Change Order), IW33 (Display Order), and IW21 (Create Notification) to manage maintenance orders and notifications.
  SAP Notes: Check for any SAP Notes related to error AH191 for additional insights or patches that may address known issues.
  User Training: Ensure that users involved in maintenance planning and execution are adequately trained on how to enter and manage maintenance results in the system.
  
  By following these steps, you should be able to resolve the AH191 error and ensure that your maintenance processes are functioning correctly.