How To Fix DMCLG198 - Internal error: Listbox could not be initialized

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 198

• Message text: Internal error: Listbox could not be initialized

What causes this issue?

An error has occurred that should not have done.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG198 - Internal error: Listbox could not be initialized ?

  The SAP error message DMCLG198, which states "Internal error: Listbox could not be initialized," typically indicates an issue with the user interface component of the SAP application, particularly related to a list box that is not being initialized properly. This can occur due to various reasons, including configuration issues, data inconsistencies, or problems with the SAP GUI.
  Causes:
  
  Configuration Issues: Incorrect settings in the SAP system or user profile can lead to initialization problems.
  Data Inconsistencies: If the data being loaded into the list box is corrupted or not formatted correctly, it can cause initialization failures.
  SAP GUI Issues: Problems with the SAP GUI installation or version compatibility can also lead to this error.
  User Authorizations: Insufficient authorizations for the user to access certain data or functions can trigger this error.
  System Bugs: There may be bugs in the specific version of SAP you are using that affect the list box functionality.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the list box and ensure they are set up correctly.
  Clear Cache: Clear the SAP GUI cache. Sometimes, cached data can cause issues with UI components.
  Update SAP GUI: Ensure that you are using the latest version of the SAP GUI. If not, consider updating it to the latest version.
  Check User Authorizations: Verify that the user has the necessary authorizations to access the data or functions related to the list box.
  Review Data: Check the data being loaded into the list box for any inconsistencies or corruption.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases patches and updates that fix known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  SAP Notes: Look for specific SAP Notes related to DMCLG198 for any known issues or patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  
  By following these steps, you should be able to diagnose and potentially resolve the DMCLG198 error in your SAP environment.