Message type: E = Error
Message class: CNV_DMC_UI_FW_EXCEPT - Messages for exception classes
Message number: 056
Message text: Unable to render cell color; see longtext
Missing field to keep color information on instance of class
CL_DMC_UI_VIEW_LIST.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
You are trying to use a color renderer of type
IF_DMC_UI_VIEW_LIST_COLOR_REND which is required to display cells in a
specific color on an instance of class CL_DMC_UI_VIEW_LIST.
Your table data structure has to have a separate field to keep the color
information. Therefor you have to add a field with various name but of
type LVC_T_SCOL.
This field is filled with the color information given by your color
renderer.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_DMC_UI_FW_EXCEPT056 with the description "Unable to render cell color; see longtext" typically occurs in the context of the SAP Data Migration Cockpit (DMC) or during data migration activities. This error is related to the rendering of UI elements, specifically the cell colors in the data migration interface.
Cause: The error can be caused by several factors, including: Data Issues: There may be issues with the data being processed, such as invalid or unexpected values that the UI cannot handle. Configuration Problems: Incorrect configuration settings in the DMC or related components may lead to rendering issues. UI Component Bugs: There may be bugs or limitations in the UI components of the SAP system that prevent proper rendering. Browser Compatibility: Sometimes, the issue can be related to the web browser being used to access the SAP DMC. Certain browsers may not fully support the required features.
Solution: To resolve this error, you can try the following
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CNV_DMC_UI_FW_EXCEPT055
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CNV_DMC_UI_FW_EXCEPT057
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CNV_DMC_UI_FW_EXCEPT058
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 ...
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