F5 BIG-IP LTM VE Trial 12.1.0 : "Error 51133, F5 registration key is not compatible with the detected platform "

Trying to test F5 BIG-IP LTM VE 12.1.0 Trial version. I have downloaded the qcow2 image FBIGIP-11.3.0.39.0.qcow2 and received a registration key by email which leads to the error: Error 51133, F...