How To Fix /UI2/CACHE027 - Execution required &1 milliseconds.

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 027

• Message text: Execution required &1 milliseconds.

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 /UI2/CACHE027 - Execution required &1 milliseconds. ?

  The SAP error message /UI2/CACHE027 Execution required &1 milliseconds typically relates to the SAP Fiori/UI5 framework, specifically concerning the caching mechanism used for UI5 applications. This message indicates that a certain operation took longer than expected, which can be due to various reasons such as performance issues, inefficient coding, or problems with the backend services.
  Cause:
  
  Performance Issues: The backend service might be slow or unresponsive, causing delays in data retrieval.
  Inefficient Code: The UI5 application might have inefficient JavaScript code or heavy processing that takes longer to execute.
  Network Latency: High latency in network communication between the client and the server can lead to longer execution times.
  Caching Problems: Issues with the caching mechanism itself, such as cache not being utilized effectively or cache being invalidated frequently.
  Large Data Sets: If the application is trying to process or display large amounts of data, it can lead to longer execution times.
  
  Solution:
  
  Optimize Backend Services: Review and optimize the performance of the OData services or any backend logic that the UI5 application relies on.
  Code Optimization: Analyze the UI5 application code for performance bottlenecks. Use tools like the Chrome Developer Tools to profile the application and identify slow functions.
  Network Optimization: Ensure that the network connection is stable and has low latency. Consider using a Content Delivery Network (CDN) if applicable.
  Caching Strategy: Review the caching strategy in place. Ensure that caching is configured correctly and that the application is effectively utilizing cached data.
  Pagination and Data Handling: If dealing with large datasets, implement pagination or lazy loading to reduce the amount of data processed at once.
  Monitor Performance: Use SAP's performance monitoring tools to track the execution time of various components and identify areas for improvement.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to performance issues in Fiori/UI5 applications. There may be specific notes addressing known issues or providing patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Fiori Launchpad: Ensure that the Fiori Launchpad is configured correctly, as misconfigurations can lead to performance issues.
  UI5 Version: Ensure that you are using the latest version of SAPUI5, as performance improvements and bug fixes are regularly released.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to mitigate the /UI2/CACHE027 error and improve the performance of your SAP Fiori applications.