Cannot get spades of the new element into the terminals at back ofoven

Oven/Range/Cooktop Repair
1

Brand: Whirlpool
Model Number: WOS92ECOABOO
Main Symptom: broiler element
What happens & when: I cannot get the spades of

Error Code (if any):
Parts or tests already tried:
Photos / video link:

2

Hold the terminal with a pair of needle-nose pliers and with a flat-bladed screwdriver, push the terminal wire off the spade. Don’t lose the wire, or you will have to remove the oven and go in from the back.