How To Fix DMCLG668 - Function merely possible after selection of variable

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 668

• Message text: Function merely possible after selection of variable

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG668 - Function merely possible after selection of variable ?

  The SAP error message DMCLG668, which states "Function merely possible after selection of variable," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when you are trying to execute a function or operation that requires a variable to be selected first. This error indicates that the system expects a variable to be defined or selected before proceeding with the operation.
  Cause:
  
  Missing Variable Selection: The most common cause of this error is that the user has not selected a variable that is required for the function to execute.
  Incorrect Query Design: The query or report may be designed in such a way that it requires certain variables to be selected, but they are not being prompted or selected by the user.
  User Authorization: In some cases, the user may not have the necessary authorizations to select certain variables, leading to this error.
  
  Solution:
  
  Select the Required Variable: Ensure that you have selected the necessary variable(s) before executing the function. This may involve going back to the selection screen and making the appropriate selections.
  Check Query Design: Review the query or report design to ensure that all required variables are properly configured and that the user is prompted to select them.
  User Authorization: Verify that the user has the necessary authorizations to access and select the required variables. If not, contact your SAP security administrator to adjust the permissions.
  Debugging: If the issue persists, consider debugging the query or report to identify where the variable selection is failing.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the SAP BW or SAP HANA documentation for more information on variable handling and query design best practices.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.