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RANGE_UNIT_NOT_SUPPORTED

Last updated March 4, 2025

The RANGE_UNIT_NOT_SUPPORTED error occurs when the unit identifier of the Range header in a request is not supported by the server. The Range header is used to request a specific portion of a resource from the server, and the unit identifier indicates the unit in which the range is specified, such as bytes.

416

RANGE_UNIT_NOT_SUPPORTED:

Requested Range Not Satisfiable

Troubleshoot

I'm encountering an error and reviewing the docs at /flg~eyJhbGciOiJIUzI1NiJ9._v7-_v39.f3M12-KAPZCzcefUX_oPWq-I0u4iAhoJCQaxpxor_bI/docs/errors/RANGE_UNIT_NOT_SUPPORTED to understand what's happening. Please help me resolve this by: 1. **Suggest the fix**: Analyze my codebase context and propose what needs to be changed to resolve this error 2. **Explain the root cause**: Break down why this error occurred: - What was the code actually doing vs. what it needed to do? - What conditions triggered this specific error? - What misconception or oversight led to this? 3. **Teach the concept**: Help me understand the underlying principle: - Why does this error exist and what is it protecting me from? - What's the correct mental model for this concept? - How does this fit into the broader framework/language design? 4. **Show warning signs**: Help me recognize this pattern in the future: - What should I look out for that might cause this again? - Are there similar mistakes I might make in related scenarios? - What code smells or patterns indicate this issue? 5. **Discuss alternatives**: Explain if there are different valid approaches and their trade-offs My goal is to fix the immediate issue while building lasting understanding so I can avoid and resolve similar errors independently in the future.

To troubleshoot this error, follow these steps:

  1. Verify supported Range units: Check the documentation for the server or service you are interacting with to determine the supported range units
  2. Correct Range unit: If the Range header in your request specifies an unsupported unit, correct it to use a supported unit
  3. Check configuration: If the Range header values are being set automatically by some part of your system, check the configuration to ensure a supported unit identifier is being used
  4. Debugging: If the error persists, log the Range header values in your server logs to debug and understand what values are being sent in requests

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