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https://img.shields.io/badge/issue_tracking-github-blue?logo=github If you encounter an error that isn’t included on this page or if the solution provided doesn’t work, please reach out to us on Discord, email us at [email protected], or open a bug report.

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Error launching Lab

If you get one of the following errors while launching Lab,
  • 400: Bad Request
  • 500: Internal Server Error
  • 503: Service Unavailable
  • Spawn failed
your qBraid Lab server failed to start. Follow the prompts on the screen, or if none are given, return to https://account-v2.qbraid.com, and click Launch New Instance to try again.

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Lab server errors

If you get one of the following errors from inside Lab,
  • Service unavailable or unreachable
  • File Save Error
For these types of errors, refreshing the page won’t work and you will need to restart your qBraid Lab server. You can stop your running server from your account dashboard, and then launch a new instance.

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ModuleNotFoundError

While running a notebook, if you get a ModuleNotFoundError after an import statement:
  1. Check to make sure you are using the correct notebook kernel for your environment, see Switch notebook kernel.
  2. If you are using the correct kernel, the package you are trying to import may not be installed in that environment. See Install new package.

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OpenSSL AttributeError

Depending on the environment you’re using, executing 
from braket.aws import AwsDevice
may raise AttributeError: module 'lib' has no attribute 'OpenSSL_add_all_algorithms'. If this happens to you, don’t worry! This is simply a result of an outdated pyOpenSSL version. Upgrade to the latest version and the problem should be resolved: 
pip install --upgrade pyOpenSSL