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All solutions
    • All solutions for DataSphere
    • Resolving project startup errors in DataSphere
    • Resolving the `Failed to deserialize variable` error
    • `Table of Contents` extension is missing in the JupyterLab extension catalog
    • Getting access to GPU g1.1 and higher configurations in DataSphere
    • Resolving issues with long code execution within DataSphere project cells
    • Resolving the `Servant not allocated` error when running code within DataSphere project cells
    • Resolving the `TestsFailure` error
    • Resolving the `Token authentication is enabled` error
    • Resolving errors with project access or login
    • Resolving the `KernelNotResponding The kernel died unexpectedly` error
    • Fixing the `ConnectTimeoutError` error when installing packages through pip
    • Resolving the `Device or resource busy` error
  1. DataSphere
  2. All solutions for DataSphere

Solutions for DataSphere

Written by
Yandex Cloud
Updated at December 17, 2025

Solutions for known DataSphere issuesSolutions for known DataSphere issues

  • Resolving project startup errors in DataSphere
  • Resolving the Failed to deserialize variable error
  • Table of Contents extension is missing from the JupyterLab extension list
  • Getting access to the GPU g1.1 and higher configurations in DataSphere
  • Resolving issues with long code execution within DataSphere project cells
  • Resolving the Servant not allocated error when running code within DataSphere project cells
  • Resolving the TestsFailure error
  • Resolving the Token authentication is enabled error
  • Resolving errors with project access or login
  • Resolving the KernelNotResponding: The kernel died unexpectedly error
  • Resolving the ConnectTimeoutError error when installing packages via pip
  • Resolving the Device or resource busy error

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© 2026 Direct Cursus Technology L.L.C.