ERROR_UNSUPPORTED_TYPE - 1630 (0x65E)
Data of this type is not supported.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_UNSUPPORTED_TYPE error code indicates that the system encountered a data type it does not support. This can occur in various contexts, such as file operations, API calls, or parameter validation.
Error Details
- Error Name: ERROR_UNSUPPORTED_TYPE
- Numeric Code: 1630 (0x65E)
- Short Description: Data of this type is not supported.
This error typically arises when the system attempts to process data that falls outside the supported range or format. For example, it might be encountered during file operations where a specific file type is not recognized by the application or operating system.
Usage Context
The ERROR_UNSUPPORTED_TYPE can appear in various scenarios:
- File Operations: When attempting to handle unsupported file types or formats.
- API Calls: When an API receives data that it cannot process due to its nature or format.
- Parameter Validation: When a function expects certain types of parameters, and the provided input does not match those expectations.
Developer Interpretation
Developers should interpret this error as an indication that the system is unable to handle the specific type of data encountered. This could be due to limitations in the application or operating system's capabilities. Developers may need to adjust their code to handle different types of input more gracefully, ensuring compatibility with a wider range of data formats.
Related Errors
- ERROR_INVALID_PARAMETER (1208): Occurs when an invalid parameter is passed to a function.
- ERROR_FILE_NOT_FOUND (3): Indicates that the specified file could not be found.
- ERROR_ACCESS_DENIED (5): Denotes insufficient permissions to access a resource.
FAQ
Q: What does ERROR_UNSUPPORTED_TYPE mean?
A: It indicates that the system cannot process the type of data encountered. This can happen in various contexts, such as file operations or API calls.
Q: How can I resolve this error?
A: Ensure that your input data matches the expected types and formats required by the functions or APIs you are using. Consider adding validation logic to handle unsupported types more gracefully.
Summary
The ERROR_UNSUPPORTED_TYPE (1630) is a generic error code indicating that the system cannot process a specific type of data. Developers should be aware of this limitation and ensure their applications can handle different data formats appropriately.