Create a new SR: qcow2 failure

[nasheayahu]

Evening, my setting to create a SR for importing my .qcow2 is:

but when I try to create the SR I get this:

I hover over the (i) for the information for the preferred type:

I've read this QCOW2 FAQ, so my question is, if I have to install this on the host, where is the instruction or the plug-in for this feature?

I attempted to import my .qcow2 in the Default SR:

For a moment is appears to be importing:

Then I get this error message:

I try to import it again and I get his error message:

After this is when I attempted to create the qcow2 SR. My XOA is located on my Redhat 10 Server/Workstation as a VM.

Thanks!...