Agent Error Decoder
Paste any agent error message below and get the exact cause and fix. This free decoder covers the most common OpenClaw, Claude Cowork, Ollama, OpenRouter and Hermes errors, from "model does not support tools" to "fetch failed" to a missing Cowork tab. No signup, no email. Built and maintained by the team at BetterClaw.
How the decoder works
Three steps. Paste, decode, fix. The whole thing runs in your browser, so your logs never leave your machine.
- 1
Paste your error
Copy the full message from your terminal, OpenClaw logs, or the Claude Desktop console and drop it in the box above.
- 2
Hit decode
It matches your error against the most-reported OpenClaw, Ollama, Cowork and Hermes failures - all in your browser.
- 3
Apply the fix
Each result gives you the cause, numbered steps, and a copy-paste command. Read the full write-up for the deep dive.
Errors this tool decodes
Every error has its own page with the exact cause, a numbered fix, a code block, and FAQs. Click through for the full write-up.
- Ollama"model does not support tools"
- OpenClaw"fetch failed" / ECONNREFUSED 127.0.0.1:11434
- OpenClaw"config validation failed: models.providers.ollama.baseURL"
- Ollama"config validation failed: ollama.models expected array"
- CoworkClaude Cowork tab missing on Windows
- OpenClaw"tool read/write/exec does not exist"
- OpenClaw"provider rejected the request schema or tool payload"
- Claude"Spanner temporarily unavailable"
- Hermes"response truncated due to output length limit"
- HermesHermes "session continuation requires API key"
- Ollama"failed to discover Ollama models: TypeError: fetch failed"
- Ollama"ollama cloud is disabled: remote model details are unavailable"
- OpenRouter"openrouter api 401 user not found"
- OpenClawOpenClaw out-of-memory (OOM)
- OpenClawOpenClaw agent stuck in a loop
Tired of debugging agents by hand?
BetterClaw runs your OpenClaw agents hosted, so fetch errors, OOM crashes and config validation failures just don't happen. Start free, one agent, no credit card.
Frequently asked questions
Why does my Ollama model say "does not support tools"?
Because base models like llama3 and phi3 are not tool-trained. Switch to a tool-capable model such as qwen2.5 or llama3.1 and the error clears.
What does "fetch failed" mean in OpenClaw?
OpenClaw cannot reach the Ollama server. Either Ollama is not running, or you are in Docker and localhost points at the container instead of the host (use host.docker.internal).
Why is the Cowork tab missing in Claude Desktop on Windows?
Cowork needs the Virtual Machine Platform feature and a current Claude Desktop build. Enable VM Platform, reboot, and update the app.
Is "Spanner temporarily unavailable" something I broke?
No. It is a transient backend error on Claude's side. Wait a minute and retry.
Does this tool store my error messages?
No. Matching happens in your browser. Nothing is uploaded or saved.
Stop firefighting agent errors
Decoding errors one at a time is the manual version of what BetterClaw automates. Run your OpenClaw agents hosted with managed models, retries and config validation built in, so fetch errors, OOM crashes and validation failures just don't happen.
$19/month per agent · BYOK · 7-day money-back guarantee