How To Fix /SAPAPO/OM_ERROR195 - An isolated constraint was found

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 195

• Message text: An isolated constraint was found

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 /SAPAPO/OM_ERROR195 - An isolated constraint was found ?

  The SAP error message /SAPAPO/OM_ERROR195 indicates that an isolated constraint has been found in the context of Advanced Planning and Optimization (APO) within SAP. This error typically arises during the planning process when the optimizer encounters a constraint that cannot be satisfied due to the current configuration of the planning model.
  Cause:
  The error is usually caused by one or more of the following issues:
  
  Inconsistent Data: There may be inconsistencies in the master data or transaction data that lead to constraints being defined in a way that cannot be satisfied.
  Overly Restrictive Constraints: Constraints defined in the planning model may be too strict, making it impossible for the optimizer to find a feasible solution.
  Missing Data: Required data for certain constraints may be missing, leading to isolated constraints that cannot be evaluated properly.
  Incorrect Configuration: The configuration of the planning area or the planning book may not align with the data being processed.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Review Constraints: Check the constraints defined in your planning model. Ensure that they are realistic and not overly restrictive.
  Validate Master Data: Ensure that all relevant master data (e.g., materials, resources, locations) is complete and consistent. Look for any missing or incorrect entries.
  Check Transaction Data: Review the transaction data to ensure that it aligns with the constraints and that there are no discrepancies.
  Run Consistency Checks: Use the consistency check tools available in SAP APO to identify and rectify any inconsistencies in the data.
  Adjust Planning Parameters: If necessary, adjust the planning parameters or settings to allow for more flexibility in the optimization process.
  Consult Documentation: Refer to SAP documentation or notes related to this error for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/OM17 (to check the optimizer log) or /SAPAPO/OM00 (to access the planning book) to investigate further.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the isolated constraint and implement a solution to resolve the error.