> ## Documentation Index
> Fetch the complete documentation index at: https://wb-21fd5541-docs-sandboxes-integrations-placement.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Server Errors

<Card title="API error code 404 - Model not found" href="/support/inference/articles/api-error-code-404-model-not-found" arrow="true" horizontal>
  A 404 response from the W\&B Inference API means the server could not find the model or resource you asked for. The respo ...
</Card>

<Card title="API error code 422 - Invalid request parameters" href="/support/inference/articles/api-error-code-422-invalid-request-parameters" arrow="true" horizontal>
  Invalid parameters on chat completion requests often surface as HTTP 422 (Unprocessable Entity) or HTTP 400 (Bad Request ...
</Card>

<Card title="API error code 500 - The server had an error while processing your request" href="/support/inference/articles/api-error-code-500-the-server-had-an-err" arrow="true" horizontal>
  A 500 error with the message The server had an error while processing your request indicates an internal server error in ...
</Card>

<Card title="API error code 503: The engine is currently overloaded" href="/support/inference/articles/api-error-code-503-the-engine-is-current" arrow="true" horizontal>
  A 503 error with the message "The engine is currently overloaded, please try again later" means the Serverless Inference ...
</Card>