I connected SharePoint site collection using PnP in the SharePoint online Powershell, it is sucessful
However I am not able to connect or execute get-pnpsite template, PFA
Please help me on this. Also please clarify where exactly template details stores in a system?
& second question, after sometime I was facing not able to connect pnp powershell itsef PA screeshot (c2) 
& last while trouble shouting, PFA