How To Fix CNV_DMC_UI_FW_EXCEPT058 - Unable to render cell style; see longtext

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_UI_FW_EXCEPT - Messages for exception classes

• Message number: 058

• Message text: Unable to render cell style; see longtext

What causes this issue?

Missing field to keep style information on instance of class
CL_DMC_UI_VIEW_LIST.

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?

You are trying to use a style renderer of type
IF_DMC_UI_VIEW_LIST_STYLE_REND which is required to display cells in a
specific style on an instance of class CL_DMC_UI_VIEW_LIST.
Your table data structure has to have a separate field to keep the style
information. Therefor you have to add a field with various name but of
type LVC_T_STYL.
This field is filled with the style information given by your style
renderer.

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 CNV_DMC_UI_FW_EXCEPT058 - Unable to render cell style; see longtext ?

  The SAP error message CNV_DMC_UI_FW_EXCEPT058 with the description "Unable to render cell style; see longtext" typically occurs in the context of the SAP Data Migration Cockpit (DMC) or during data migration activities. This error can be related to issues with the rendering of the user interface, particularly when dealing with styles or formatting in the data tables.
  Possible Causes:
  
  UI Rendering Issues: The error may arise due to problems in rendering the UI components, which could be caused by missing or corrupted style files.
  Browser Compatibility: Sometimes, the browser being used may not fully support the features required by the SAP UI, leading to rendering issues.
  Data Issues: If the data being processed has unexpected formats or values, it may cause the UI to fail when trying to apply styles.
  System Configuration: Incorrect or incomplete configuration of the SAP system or the DMC can lead to such errors.
  
  Solutions:
  
  Check Browser Compatibility: Ensure that you are using a supported browser version. SAP applications often work best with specific versions of browsers like Chrome, Firefox, or Edge.
  Clear Cache: Clear the browser cache and cookies, as stale data can sometimes cause rendering issues.
  Update SAP GUI: If you are using SAP GUI for HTML, ensure that it is updated to the latest version.
  Review Long Text: Check the long text associated with the error message for more specific details about the issue. This can provide insights into what might be causing the rendering problem.
  Check Data Formats: Review the data being migrated for any inconsistencies or unexpected formats that might be causing the UI to fail.
  System Logs: Check the system logs for any additional error messages or warnings that could provide more context about the issue.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with the error details and any relevant logs.
  
  Related Information:
  
  SAP Notes: Look for SAP Notes related to the Data Migration Cockpit and the specific error message. SAP frequently updates their knowledge base with solutions to common issues.
  Community Forums: Check SAP Community forums or other user groups where similar issues may have been discussed. Other users may have encountered the same problem and found solutions.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit for any known issues or troubleshooting steps related to UI rendering.
  
  By following these steps, you should be able to diagnose and potentially resolve the error CNV_DMC_UI_FW_EXCEPT058.