How To Fix /UI5/UI5_REP052 - File &1 is not a 'properties' file for texts

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/UI5_REP -

• Message number: 052

• Message text: File &1 is not a 'properties' file for texts

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/UI5_REP052 - File &1 is not a 'properties' file for texts ?

  The SAP error message /UI5/UI5_REP052 File &1 is not a 'properties' file for texts typically occurs in the context of SAPUI5 applications when the system is trying to load a resource bundle (usually a .properties file) that is either missing, incorrectly formatted, or not recognized as a valid properties file.
  Cause:
  
  Incorrect File Format: The file may not be in the correct format expected for a properties file. Properties files should be plain text files with key-value pairs.
  File Naming Issues: The file may not be named correctly. For example, it should follow the naming conventions expected by the SAPUI5 framework.
  File Location: The file may not be located in the expected directory structure. SAPUI5 expects resource bundles to be in specific folders.
  Encoding Issues: The file may be saved with an incorrect encoding (e.g., UTF-8 with BOM) that makes it unreadable by the SAPUI5 framework.
  Missing File: The properties file may simply be missing from the application.
  
  Solution:
  
  
  Check File Format: Ensure that the file is a plain text file and follows the key-value pair format. Each line should contain a key and a value separated by an equals sign (=).
  key1=value1
  key2=value2
  
  
  Verify Naming Conventions: Ensure that the properties file is named correctly. For example, if your application is named myApp, the properties file should be named myApp.properties or myApp_en.properties for English texts.
  
  
  Check File Location: Ensure that the properties file is located in the correct directory. Typically, it should be in the i18n folder of your SAPUI5 application.
  
  
  Check Encoding: Open the properties file in a text editor and ensure it is saved with the correct encoding (preferably UTF-8 without BOM).
  
  
  Ensure File Exists: Verify that the properties file actually exists in the expected location. If it is missing, you will need to create it or restore it from a backup.
  
  
  Clear Cache: Sometimes, the browser or the SAPUI5 application may cache old versions of files. Clear the cache or perform a hard refresh to ensure the latest files are loaded.
  
  
  Related Information:
  
  SAPUI5 Documentation: Refer to the official SAPUI5 documentation for guidelines on creating and managing resource bundles.
  Debugging Tools: Use browser developer tools to check for network errors or console messages that may provide additional context about the issue.
  SAP Community: If the issue persists, consider reaching out to the SAP Community or forums for additional support and insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error message and ensure that your SAPUI5 application can successfully load the required properties files.