How To Fix /ECRS/BL_TD126 - You cannot enter a supplementary unit

SAP Error Message - Details

• Message type: E = Error

• Message class: /ECRS/BL_TD -

• Message number: 126

• Message text: You cannot enter a supplementary unit

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 /ECRS/BL_TD126 - You cannot enter a supplementary unit ?

  The SAP error message /ECRS/BL_TD126 indicates that you cannot enter a supplementary unit for a particular transaction or process. This error typically arises in the context of materials management or inventory management when dealing with units of measure.
  Cause:
  
  Unit of Measure Configuration: The primary cause of this error is often related to the configuration of units of measure in the material master. If the supplementary unit of measure is not defined or is not allowed for the specific material, this error will occur.
  Material Type Restrictions: Certain material types may not support supplementary units, leading to this error when trying to enter them.
  Transaction Context: The error may also arise if the transaction you are trying to perform does not support supplementary units, or if the settings for the transaction do not allow for their use.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the units of measure section to ensure that the supplementary unit is defined correctly.
  If it is not defined, you may need to add it or adjust the settings.
  
  
  
  Review Unit of Measure Settings:
  
  Use transaction code OMU1 to check the unit of measure settings.
  Ensure that the supplementary unit of measure is correctly configured for the relevant material type.
  
  
  
  Transaction Settings:
  
  Verify if the transaction you are using allows for supplementary units. If not, you may need to adjust your process or use a different transaction that supports supplementary units.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to units of measure and supplementary units for further guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Units of Measure in SAP: Understanding how units of measure work in SAP is crucial. Each material can have a base unit of measure and supplementary units, which are used for specific purposes (e.g., packaging).
  Material Master Configuration: Familiarize yourself with the configuration settings for the material master, especially regarding units of measure.
  SAP Community and Forums: Engaging with the SAP community can provide insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.