How To Fix /UI5/APP_API049 - The manifest.json is not well-formed

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 049

• Message text: The manifest.json is not well-formed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/APP_API049 - The manifest.json is not well-formed ?

  The SAP error message /UI5/APP_API049 The manifest.json is not well-formed indicates that there is an issue with the manifest.json file in your SAPUI5 application. This file is crucial as it contains metadata and configuration settings for the application, including routing, dependencies, and other settings.
  Cause:
  The error typically arises from one of the following issues in the manifest.json file:
  
  
  Syntax Errors: Common JSON syntax errors include:
  
  Missing commas between properties.
  Unmatched brackets or braces.
  Incorrect use of quotes (e.g., using single quotes instead of double quotes).
  Trailing commas after the last property in an object or array.
  
  
  
  Invalid Structure: The structure of the manifest.json file may not conform to the expected schema. This could be due to:
  
  Missing required properties.
  Incorrect nesting of properties.
  
  
  
  Encoding Issues: The file may contain invalid characters or be saved with an incorrect encoding.
  
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Validate JSON Syntax:
  
  Use a JSON validator tool (like JSONLint) to check the syntax of your manifest.json file. This will help identify any syntax errors.
  
  
  
  Check Structure:
  
  Refer to the SAPUI5 documentation to ensure that your manifest.json file adheres to the expected structure. Make sure all required properties are present and correctly nested.
  
  
  
  Review Changes:
  
  If you recently made changes to the manifest.json, review those changes carefully to identify any mistakes.
  
  
  
  Encoding:
  
  Ensure that the file is saved with UTF-8 encoding without a BOM (Byte Order Mark).
  
  
  
  Use Development Tools:
  
  If you are using an IDE or development environment, take advantage of built-in JSON formatting and validation features to help identify issues.
  
  
  
  Related Information:
  
  SAPUI5 Documentation: Refer to the official SAPUI5 documentation for detailed information on the structure and properties of the manifest.json file. This can provide insights into what is required and how to properly format the file.
  Debugging Tools: Use browser developer tools to check for any additional errors or warnings that may provide context for the issue.
  Version Compatibility: Ensure that the version of SAPUI5 you are using is compatible with the features and properties defined in your manifest.json.
  
  By following these steps, you should be able to identify and correct the issues causing the /UI5/APP_API049 error.