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

AH191 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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