[Q] Error message when installing Cloudy 6 1.0 ROM topic

I have an Lg g3 f460 k. When trying to install the Cloudy cat 6.1.0 ROM from the external SD card after wiping as instructed, i get an error message of
E:f ooter is wrong
E: signature verification failed
Installation aborted

How can i overpass this and install the ROM?