How To Fix /UI2/CDMFCC011 - Internal server error. Unknown exception id &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 011

• Message text: Internal server error. Unknown exception id &1

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDMFCC011 - Internal server error. Unknown exception id &1 ?

  The SAP error message /UI2/CDMFCC011 Internal server error. Unknown exception id &1 typically indicates that there is an internal server error occurring within the SAP Fiori or UI5 application framework. This error can arise from various underlying issues, and the specific exception ID (&1) can provide additional context for troubleshooting.
  Possible Causes:
  
  Backend Issues: There may be problems with the backend services that the Fiori application is trying to access. This could include issues with OData services, database connectivity, or application logic.
  Configuration Errors: Incorrect configuration settings in the Fiori Launchpad or the application itself can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access certain services or data.
  Network Problems: Connectivity issues between the frontend and backend systems can also cause this error.
  Code Errors: If there are custom developments or modifications in the application, bugs in the code can lead to exceptions being thrown.
  
  Solutions:
  
  Check the Exception ID: The exception ID (&1) in the error message can provide more specific information about the error. Check the SAP logs (transaction SLG1) for more details related to this ID.
  Review Backend Services: Ensure that the OData services are active and functioning correctly. You can test the services using the /IWFND/MAINT_SERVICE transaction.
  Check Configuration: Verify the configuration settings in the Fiori Launchpad and ensure that all necessary parameters are correctly set.
  Authorization Checks: Use transaction SU53 to check for any authorization issues after the error occurs. Ensure that the user has the required roles and authorizations.
  Analyze Logs: Check the application logs and system logs (transaction SM21) for any related error messages that could provide more context.
  Network Connectivity: Ensure that there are no network issues between the frontend and backend systems. You can use tools like ping or traceroute to diagnose connectivity.
  Debugging: If you have access to the code, consider debugging the application to identify where the exception is being thrown.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for Fiori and UI5 applications for best practices and troubleshooting tips.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and the context of the error.