I've put a clonezilla boot image on a usbdrive then when I boot Clonezilla I get the below screen then Clonzezilla opens normally. I wonder if this will affect my clone process?
No, in my opinion it's totally fine.
You won't need a TPM (trusted platform module) for cloning.
Neither does the cache help you cloning.
So you'll be fine :)
(Proof: I get the same errors as you do an my cloning works)