How To Fix /UI5/UI5_CN002 - Internal Error

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/UI5_CN -

• Message number: 002

• Message text: Internal Error

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 /UI5/UI5_CN002 - Internal Error ?

  The SAP error message /UI5/UI5_CN002 Internal Error typically indicates an issue within the SAP UI5 framework, which is used for developing user interfaces in SAP applications. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Configuration Issues: Incorrect configuration settings in the SAP system or UI5 application can lead to internal errors.
  Version Mismatch: Incompatibility between the UI5 version and the backend system or other components.
  Code Errors: Bugs or issues in the custom UI5 code or libraries being used.
  Network Issues: Problems with network connectivity that prevent the UI5 application from accessing required resources.
  Caching Problems: Old or corrupted cache data can lead to unexpected behavior in UI5 applications.
  Backend Errors: Issues in the backend services that the UI5 application is trying to call.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the UI5 application and ensure they are correct.
  Update UI5 Version: Ensure that you are using a compatible version of SAP UI5 with your backend system. If necessary, update to the latest version.
  Debug Custom Code: If you have custom UI5 code, debug it to identify any potential issues. Use browser developer tools to check for JavaScript errors.
  Clear Cache: Clear the browser cache and any server-side cache that may be affecting the application.
  Check Network Connectivity: Ensure that there are no network issues preventing access to backend services or resources.
  Review Backend Logs: Check the backend system logs for any errors that may be related to the UI5 application.
  Consult SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Help Portal: Refer to the official SAP documentation for UI5 to understand the framework better and find troubleshooting tips.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  Conclusion:
  The /UI5/UI5_CN002 Internal Error can stem from various sources, and resolving it often requires a combination of checking configurations, debugging code, and ensuring compatibility between components. By following the suggested solutions and leveraging available resources, you can effectively troubleshoot and resolve this error.