How To Fix /SCMTMS/SCH136 - Invalid unit &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/SCH -

• Message number: 136

• Message text: Invalid unit &1

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 /SCMTMS/SCH136 - Invalid unit &1 ?

  The SAP error message /SCMTMS/SCH136 Invalid unit &1 typically occurs in the context of SAP Transportation Management (TM) when there is an issue with the unit of measure (UoM) being used in a transportation planning or scheduling scenario. This error indicates that the system has encountered a unit of measure that is not recognized or is invalid for the operation being performed.
  Cause:
  
  Invalid Unit of Measure: The unit of measure specified in the transaction or configuration does not exist in the system or is not valid for the context in which it is being used.
  Configuration Issues: There may be issues with the configuration of units of measure in the SAP system, such as missing entries in the relevant tables.
  Data Entry Errors: Users may have entered an incorrect unit of measure manually, leading to this error.
  Master Data Issues: The master data for materials, products, or transportation units may not be correctly maintained, leading to the use of an invalid unit of measure.
  
  Solution:
  
  Check Unit of Measure: Verify the unit of measure that is causing the error. Ensure that it is correctly defined in the system and is valid for the context in which it is being used.
  Maintain UoM in Master Data: If the unit of measure is missing, you may need to create or maintain it in the relevant master data (e.g., material master, product master).
  Review Configuration: Check the configuration settings for units of measure in the SAP system. Ensure that all necessary units are defined and correctly linked to the relevant objects.
  Correct Data Entry: If the error is due to a manual entry, correct the unit of measure in the transaction or document where the error occurred.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to manage units of measure in SAP TM.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM02 (Change Material) or CUNI (Maintain Units of Measure) to check or update unit of measure settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.