How To Fix /UI5/THEMING_MSGS002 - Theme "&1" doesn't exists (Status 404 for "&2").

/UI5/THEMING_MSGS002 - Overview

• Message type: E = Error

• Message class: /UI5/THEMING_MSGS -

• Message number: 002

• Message text: Theme "&1" doesn't exists (Status 404 for "&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.

Unfortunately, there isn't any extra information in this error notice.

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/UI5/THEMING_MSGS002 - Details

• The SAP error message /UI5/THEMING_MSGS002 Theme "&1" doesn't exist (Status 404 for "&2") typically indicates that the specified theme in your SAP UI5 application is not found or is not properly configured. This can happen for several reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  Theme Not Deployed: The specified theme may not be deployed in the SAP system.
  Incorrect Theme Name: The theme name provided in the application configuration might be misspelled or incorrect.
  Missing Theme Resources: The resources for the theme may not be available or accessible in the specified path.
  Caching Issues: Sometimes, browser or server caching can lead to outdated references to themes.
  
  Configuration Issues: The application might not be correctly configured to use the specified theme.
  
  Solutions:
  
  
  Check Theme Deployment:
  
  Ensure that the theme you are trying to use is deployed in the SAP system. You can check this in the SAP Fiori Launchpad or the UI5 Theme Designer.
  
  
  
  Verify Theme