How to Fix Failed to Read Config Error in OpenClaw

I run into an OpenClaw error that says failed to read configuration file when restarting the gateway. The message points to a syntax error in openclaw.json. Here is how I fix it and get the gateway running again.

Fix "Failed to Read Config" Error in OpenClaw

Symptoms and cause

When I try to restart the OpenClaw gateway, I get a syntax error that says failed to read openclaw.json. This means the configuration file has corrupted or invalid entries. Cleaning the file with the built-in doctor utility resolves it.

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Step-by-step fix

Open another terminal.

Run the doctor tool to clean corrupted configuration entries:

openclaw doctor --fix

Stop the gateway to ensure a clean restart:

openclaw gateway stop

Open the configuration file and confirm the doctor command deleted the corrupted configurations from openclaw.json.

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What this command does and a warning

This method recovers the OpenClaw gateway service, but it deletes all your existing configurations. Take a backup of openclaw.json before trying this, so you can restore it later. If you did not back up, reconfigure the service using the onboard command.

Reconfigure OpenClaw after cleanup:

openclaw onboard

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Start the gateway

Start the gateway again:

openclaw gateway start

It starts successfully after the cleanup.

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Final thoughts

The error comes from corrupted or invalid data in openclaw.json. Running openclaw doctor fix, stopping the gateway, verifying the cleaned file, and then starting the gateway resolves it. Back up your config or be ready to run openclaw onboard to restore your setup.