I recently made new account on databricks under Free edition

[Navi991100]

It by default made SQL warehouse compute, but I want all-purpose compute, as I want test and learn capabilities of PySpark and Databricks.

I can't connect with the serverless compute in the notebook; it gives a mean  error as follows: 

"An error occurred while trying to attach serverless compute.
Please try again or contact support."

P.S.: I'm the owner of this account, so I have all the access and control

[Navi991100]

Additionally, my SQL Serverless Compute connects with the notebook.

[Advika]

Hello @Navi991100!

In the free edition, creating all-purpose compute isn’t supported, but you can run PySpark code using serverless compute.
For the error you’re encountering while connecting to serverless compute, please try the resolutions shared in this post.

[belforte]

In the free Databricks edition, to use PySpark you need to create and start a cluster, since the SQL Warehouse is only for SQL queries; go to Compute > Create Cluster, set up a free cluster, click Start, and then attach your notebook to it this will fix the “no server” error and let you run PySpark normally.