How To Fix /SCMTMS/FAG_MSG691 - Scale type or UoM for calculation base cannot be blank

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/FAG_MSG -

• Message number: 691

• Message text: Scale type or UoM for calculation base cannot be blank

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/FAG_MSG691 - Scale type or UoM for calculation base cannot be blank ?

  The SAP error message /SCMTMS/FAG_MSG691 indicates that there is an issue with the scale type or unit of measure (UoM) for the calculation base in the Transportation Management System (TMS). This error typically arises when the system expects a value for the scale type or UoM, but it is either missing or not properly defined.
  Cause:
  
  Missing Configuration: The scale type or UoM may not be configured correctly in the system.
  Incomplete Master Data: The master data for the relevant transportation object (e.g., freight agreements, transportation lanes) may be incomplete or incorrectly maintained.
  Data Entry Error: There may have been an oversight during data entry, leading to blank fields where values are required.
  Custom Development: If there are custom developments or enhancements in the TMS, they might not be handling the scale type or UoM correctly.
  
  Solution:
  
  
  Check Configuration:
  
  Navigate to the relevant configuration settings in TMS and ensure that the scale types and UoMs are defined correctly.
  Use transaction codes like SPRO to access the configuration settings and verify the settings under the Transportation Management section.
  
  
  
  Review Master Data:
  
  Check the master data for the transportation objects involved. Ensure that all required fields, including scale type and UoM, are filled in.
  You can use transaction codes like /SCMTMS/FREIGHT or /SCMTMS/TRANSPORT to review and edit the relevant data.
  
  
  
  Data Entry Validation:
  
  If the error occurs during data entry, ensure that users are entering all required fields correctly. Implement validation checks if necessary.
  
  
  
  Debugging Custom Code:
  
  If there are custom developments, review the code to ensure that it correctly handles the scale type and UoM. Debugging may be necessary to identify where the issue arises.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to TMS for any specific guidelines or known issues regarding scale types and UoMs.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with details of the error and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for TMS, such as /SCMTMS/ related transactions for freight agreements, transportation lanes, etc.
  SAP Notes: Search for SAP Notes related to TMS and the specific error message for any patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /SCMTMS/FAG_MSG691.