Errors (2)
Last updated Sep 17, 2026 Below is a list of Workers AI errors.
| Name | Internal Code | HTTP Code | Description |
|---|---|---|---|
| No such model | 5007 |
400 |
No such model ${model} or task |
| Invalid data | 5004 |
400 |
Invalid data type for base64 input: ${type} |
| Finetune missing required files | 3039 |
400 |
Finetune is missing required files (model.safetensors and config.json) |
| Incomplete request | 3003 |
400 |
Request is missing headers or body: {what} |
| Account not allowed for private model | 5018 |
403 |
The account is not allowed to access this model |
| Model agreement | 5016 |
403 |
User has not agreed to Llama3.2 model terms |
| Account blocked | 3023 |
403 |
Service unavailable for account |
| Account not allowed for private model | 3041 |
403 |
The account is not allowed to access this model |
| Model requires Workers Paid plan | 5035 |
403 |
This model requires a Workers Paid plan. See pricing for details. |
| Deprecated SDK version | 5019 |
405 |
Request trying to use deprecated SDK version |
| LoRa unsupported | 5005 |
405 |
The model ${this.model} does not support LoRa inference |
| Invalid model ID | 3042 |
404 |
The model name is invalid |
| Request too large | 3006 |
413 |
Request is too large |
| Timeout | 3007 |
408 |
Request timeout |
| Aborted | 3008 |
408 |
Request was aborted |
| Account limited | 3036 |
429 |
You have used up your daily free allocation of 10,000 neurons. Please upgrade to Cloudflare's Workers Paid plan if you would like to continue usage. |
| Out of capacity | 3040 |
429 |
Capacity temporarily exceeded, please try again. Also returned when rejectIfBusy rejects a request because capacity is unavailable. |
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Documentation Index
Fetch the complete documentation index at: https://developers.cloudflare.com/workers-ai/llms.txt
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