Downgrade 0.5.0 to 0.4.5 (Urgent help needed!)

I don’t think you can downgrade. This was stated as part of the release info -

Important
There are a couple of known issues regarding upgrading/rolling back:

  • Upgrading from v0.4.x will destroy your existing console.
    ** You will not be able to roll back from v0.5.0 to v0.4.x.**