ERR_NGROK_354

Message

Failed to bind domain. Nested subdomains of the ngrok base endpoint domain '{endpoint_domain:string}' must be reserved first. Alternatively, try suggestion instead.

Possible solutions

Reserve your subdomain in your ngrok account dashboard https://dashboard.ngrok.com/endpoints/domains before starting a tunnel using that subdomain.

Further help

If you're having trouble resolving this error, please reach out to support@ngrok.com.

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