BPCUI0357W You cannot provision volumes because you do not have permission to provision by using any block-storage service class.

Explanation

When you request volumes by using the Provision Storage wizard, you specify your storage requirements by selecting a block-storage service class. If you do not have Administrator privileges, you must have permission to provision by using at least one block-storage service class. You do not have permission to provision by using any block-storage service class, so you cannot provision volumes.