How To Fix 27091 - The number of identical twins cannot be less than 1

SAP Error Message - Details

• Message type: E = Error

• Message class: 27 - API-specific configuration/master data messages

• Message number: 091

• Message text: The number of identical twins cannot be less than 1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 27091 - The number of identical twins cannot be less than 1 ?

  The SAP error message 27091, "The number of identical twins cannot be less than 1," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where the system is trying to process data related to product planning, production, or inventory management.
  Cause:
  This error usually arises when a user attempts to create or modify a planning object (like a production order, forecast, or similar) and specifies a quantity of identical items (twins) that is less than 1. In the context of planning, "identical twins" refers to the number of identical items that are being processed together. A value of less than 1 is not valid, as you cannot have a negative or zero quantity of items.
  Solution:
  To resolve this error, you should:
  
  
  Check Input Values: Review the input values for the planning object you are trying to create or modify. Ensure that the quantity of identical twins is set to at least 1.
  
  
  Adjust Configuration: If this error is occurring due to a configuration issue, you may need to adjust the settings in the relevant planning area or master data.
  
  
  Review Custom Code: If there is any custom code or user exits that manipulate the quantity of identical twins, review that code to ensure it does not inadvertently set the quantity to less than 1.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the module you are working with.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the planning process you are working on, as they may provide additional insights or options for troubleshooting.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By ensuring that the quantity of identical twins is set correctly and reviewing any related configurations or customizations, you should be able to resolve the error message 27091.