How To Fix /UI2/CACHE038 - [ &1 / '&2' ] rule supplies constant entity '&3'.

/UI2/CACHE038 - Overview

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 038

• Message text: [ &1 / '&2' ] rule supplies constant entity '&3'.

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.

/UI2/CACHE038 - Details

• The SAP error message /UI2/CACHE038 [ &1 / '&2' ] rule supplies constant entity '&3'. typically relates to issues with the SAP Fiori Launchpad or the UI5 framework, particularly concerning the caching mechanism for UI elements. This error indicates that a specific rule in the cache is providing a constant entity, which may not be expected or valid in the context of the application.
  
  Cause:
  
  Caching Issues: The error often arises due to inconsistencies or corruption in the cache related to UI elements or Fiori applications.
  Configuration Problems: There may be misconfigurations in the Fiori Launchpad or the underlying OData services that are being used.
  Development Errors: If custom applications or extensions are developed, there might be issues in the code that lead to this error.
  Data Model Issues: The data model being used may not align with the expected structure, leading to constant entities being returned.
  
  
  Solution:
  
  
  Clear Cache: 
  
  Clear the cache for the Fiori Launchpad.