How To Fix /UI5/THEMING_MSGS007 - CSS File is not yet built (Try again later): &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/THEMING_MSGS -

• Message number: 007

• Message text: CSS File is not yet built (Try again later): &1

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/THEMING_MSGS007 - CSS File is not yet built (Try again later): &1 ?

  The SAP error message /UI5/THEMING_MSGS007 CSS File is not yet built (Try again later): &1 typically occurs in the context of SAP Fiori applications when the CSS files for UI5 themes have not been generated or are not available. This can happen for several reasons, including:
  Cause:
  
  Theme Generation in Progress: The CSS files for the UI5 theme are being generated, and the process has not yet completed.
  Missing or Incomplete Configuration: There may be issues with the configuration of the theme or the UI5 application.
  Caching Issues: Sometimes, the browser or the SAP system may cache old versions of the CSS files, leading to this error.
  System Performance: If the system is under heavy load, the generation of the CSS files may take longer than expected.
  Transport Issues: If the theme was recently transported from another system, it may not have been fully activated.
  
  Solution:
  
  Wait and Retry: Since the message suggests trying again later, waiting for a few minutes and then refreshing the application may resolve the issue if the CSS files are still being generated.
  Check Theme Configuration: Ensure that the theme is correctly configured in the SAP system. You can check this in the SAP Fiori Launchpad or the UI5 Theme Designer.
  Clear Browser Cache: Clear the browser cache to ensure that you are not loading an outdated version of the CSS files.
  Check System Logs: Look at the system logs (transaction SLG1) for any errors related to the theme generation process.
  Rebuild the Theme: If you have access, you can manually trigger the theme generation process using the transaction /UI5/THEME_DESIGNER or by using the relevant tools in the SAP system.
  Check for Transport Issues: If the theme was recently transported, ensure that all necessary objects have been transported and activated in the target system.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  SAP Fiori Launchpad: The central entry point for SAP Fiori applications, where themes are applied.
  UI5 Theme Designer: A tool used to create and manage themes for SAP UI5 applications.
  Transaction Codes: Familiarize yourself with relevant transaction codes like /UI5/THEME_DESIGNER for theme management and /UI5/APP_DESIGNER for application management.
  Performance Monitoring: Use tools like ST22 (Dump Analysis) and SM21 (System Log) to monitor system performance and identify any underlying issues.
  
  By following these steps, you should be able to resolve the error and ensure that the CSS files for your SAP UI5 application are properly built and available.