How To Fix CNV_DMC_UI_FW_DYNPRO004 - Subscreens dynnr variable cannot be referenced.

CNV_DMC_UI_FW_DYNPRO004 - Overview

• Message type: E = Error

• Message class: CNV_DMC_UI_FW_DYNPRO - Messages for dynpro framework

• Message number: 004

• Message text: Subscreens dynnr variable cannot be referenced.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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CNV_DMC_UI_FW_DYNPRO004 - Details

• The SAP error message CNV_DMC_UI_FW_DYNPRO004 with the description "Subscreens dynnr variable cannot be referenced" typically occurs in the context of SAP Data Migration Cockpit (DMC) or during the execution of a custom or standard SAP transaction that involves dynamic screens (dynpros).
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Dynamic Screen Handling: The system is trying to reference a dynamic screen number (dynnr) that is not properly defined or initialized. This can happen if the screen is not available or if there is a mismatch in the screen number being referenced.
  
  
  Custom Development Issues: If there are custom developments or modifications in the transaction or program, it may lead to incorrect handling of screen numbers.
  
  
  
  Configuration Issues: There might be issues with the configuration of the Data Migration Cockpit or the specific migration project you are working on.
  
  
  Transport Issues: If the transport of objects related to the DMC or the specific