How To Fix /SCMTMS/TC_SCALE028 - Maximum quantity value (&1) cannot be negative

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/TC_SCALE -

• Message number: 028

• Message text: Maximum quantity value (&1) cannot be negative

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/TC_SCALE028 - Maximum quantity value (&1) cannot be negative ?

  The SAP error message /SCMTMS/TC_SCALE028 indicates that there is an issue with a quantity value being set to a negative number, which is not allowed in the context of the operation you are trying to perform. This error typically arises in the SAP Transportation Management (TM) module when dealing with quantities related to transportation units, shipments, or other logistics-related data.
  Cause:
  
  Negative Quantity Input: The most straightforward cause is that a user or a process is attempting to input a negative quantity for a transportation-related object (e.g., a shipment, a freight order, etc.).
  Data Transfer Issues: If data is being transferred from another system or module, there may be an issue with how quantities are being mapped or transformed, leading to negative values.
  Configuration Errors: There may be configuration settings in the system that are incorrectly set, allowing for negative values to be processed inappropriately.
  Custom Code: If there are custom developments or enhancements in the system, they may inadvertently allow or generate negative quantities.
  
  Solution:
  
  Check Input Values: Review the input values for the transaction that triggered the error. Ensure that all quantity fields are populated with non-negative values.
  Data Validation: Implement validation checks in the user interface or during data processing to prevent negative quantities from being entered.
  Review Data Transfer Logic: If the error arises from data being transferred from another system, review the mapping and transformation logic to ensure that negative values are not being introduced.
  Configuration Review: Check the configuration settings in the SAP TM module to ensure that they are set up correctly and do not allow for negative quantities.
  Debug Custom Code: If there is custom code involved, debug it to identify any logic that may be causing negative quantities to be generated or processed.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or process you are working with for any additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the process you are working on, as they may provide insights into where the error is occurring.
  User Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues are introduced.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to prevent it from occurring in the future.