How To Fix /UI5/UI5_REP_LOAD020 - Custom activities have been performed by class &1: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/UI5_REP_LOAD -

• Message number: 020

• Message text: Custom activities have been performed by class &1: &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/UI5_REP_LOAD020 - Custom activities have been performed by class &1: &2 ?

  The SAP error message /UI5/UI5_REP_LOAD020 indicates that custom activities have been performed by a specific class in the SAP UI5 framework. This error typically arises when there are issues related to the loading of UI5 resources or when custom modifications have been made that conflict with standard behavior.
  Cause:
  
  Custom Modifications: The error often occurs when there are custom implementations or modifications in the UI5 application that deviate from the standard behavior. This could include changes in the controller, view, or model.
  Resource Loading Issues: If the application is unable to load required resources (like JavaScript files, CSS, or other assets), it may trigger this error.
  Version Mismatch: There may be a mismatch between the UI5 version being used and the custom code, leading to compatibility issues.
  Configuration Issues: Incorrect configuration settings in the application or the SAP system can also lead to this error.
  
  Solution:
  
  Review Custom Code: Check the custom code implemented in the specified class (&1) and ensure that it adheres to best practices. Look for any modifications that might conflict with standard UI5 behavior.
  Check Resource Paths: Ensure that all required resources are correctly referenced and available. Verify that the paths to JavaScript, CSS, and other assets are correct.
  Debugging: Use browser developer tools to debug the application. Look for any console errors or network issues that might indicate why resources are not loading.
  Update UI5 Version: If there is a version mismatch, consider updating the UI5 libraries to the latest version that is compatible with your custom code.
  Clear Cache: Clear the browser cache and any server-side cache to ensure that the latest version of the application is being loaded.
  Check Configuration: Review the configuration settings in the SAP system and ensure that they are set up correctly for the UI5 application.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on best practices for custom UI5 development.
  SAP Community: Engage with the SAP Community forums to see if other developers have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP UI5 documentation for guidelines on custom development and resource management.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.