Hi @mbanxp ,

Maybe there's some hiccup on UI side. Could you try to use REST API or databricks cli?
You can use following endpoint to list all metastores associated with your account:

- Get all metastores associated with an account | Account Metastores API | REST API reference | Databr...

Check if the metastore causing problem is still there, note its metastore_id and then execute following endpoint:

- Delete a metastore | Account Metastores API | REST API reference | Databricks on AWS