How To Fix /SCF/CL_MDL_MESSAGES042 - Default screen not available

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCF/CL_MDL_MESSAGES -

• Message number: 042

• Message text: Default screen not available

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCF/CL_MDL_MESSAGES042 - Default screen not available ?

  The SAP error message /SCF/CL_MDL_MESSAGES042 Default screen not available typically indicates that the system is unable to find a default screen for a specific application or module. This can occur in various scenarios, often related to configuration issues or missing components in the SAP system.
  Causes:
  
  Missing Configuration: The default screen for a specific application may not be configured correctly in the system.
  Transport Issues: If the application was recently transported from another system, some necessary components may not have been transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the default screen.
  Custom Development: If there are custom developments or enhancements, they may not be functioning correctly, leading to this error.
  System Upgrade: After an upgrade, certain configurations may need to be re-applied or adjusted.
  
  Solutions:
  
  Check Configuration: Verify that the default screen is configured correctly in the relevant customizing settings. This may involve checking transaction codes related to the specific module.
  Review Transport Logs: If the issue arose after a transport, check the transport logs to ensure all necessary objects were transported successfully.
  User Authorizations: Ensure that the user has the necessary authorizations to access the application. This can be checked in transaction SU53 or by reviewing the user's roles and profiles.
  Debugging: If you have access to debugging tools, you can try to debug the application to see where it fails to find the default screen.
  Check for Notes: Look for SAP Notes related to this error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  Consult Documentation: Review the documentation for the specific module or application to ensure that all necessary steps have been followed for configuration.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the module, you may need to check specific transaction codes related to configuration (e.g., SPRO for customizing).
  SAP Notes: Use the SAP Support Launchpad to search for relevant notes that may address this specific error.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.