How To Fix L2126 - Materials have different units of measure (select again)

SAP Error Message - Details

• Message type: E = Error

• Message class: L2 - Transfer requirements

• Message number: 126

• Message text: Materials have different units of measure (select again)

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 L2126 - Materials have different units of measure (select again) ?

  The SAP error message L2126, which states "Materials have different units of measure (select again)," typically occurs during transactions that involve multiple materials, such as in inventory management, purchasing, or sales order processing. This error indicates that the materials you are trying to process have different units of measure, which is not allowed in certain operations.
  Cause:
  
  Different Units of Measure: The materials involved in the transaction are defined with different base units of measure (e.g., one material might be in kilograms while another is in liters).
  Unit of Measure Conversion: The system may not be able to convert between the different units of measure automatically, leading to this error.
  Material Master Data: The material master records for the items involved may not be set up correctly, with inconsistent units of measure.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master records for the materials involved and verify their units of measure.
  Ensure that the base unit of measure is consistent with what you are trying to achieve in the transaction.
  
  
  
  Select Compatible Materials:
  
  If you are trying to process multiple materials, ensure that all selected materials have the same unit of measure.
  If necessary, deselect materials that do not match the unit of measure of the others.
  
  
  
  Use Unit of Measure Conversion:
  
  If you need to work with materials that have different units of measure, consider using a conversion factor if applicable. This may involve setting up conversion factors in the material master.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on handling units of measure in your version of SAP.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert to investigate further.
  
  
  
  Related Information:
  
  Unit of Measure Configuration: Understanding how units of measure are configured in SAP can help prevent this error. This includes knowing how to set up alternative units of measure and conversion factors in the material master.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MM03 (Display Material), and ME21N (Create Purchase Order) to manage materials effectively.
  Training and Documentation: Consider training sessions or reviewing SAP training materials that cover inventory management and material handling to better understand how to manage units of measure.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the L2126 error in SAP.