This is an easy fix method for a beginner.
Because it is not under the heel a easy semi dodgy fix will work just fine.
Slowly with a razor ( gently , slowly ) cut under the pad and peel it out of the way.
lift the damaged area and notice the crushed void under the laminate.
This has to be filled.
Get some fibreglass cloth ( any kind will do )
Buy some Araldyte ( the $ 50 large full strength stuff )
Make a mix of styrene foam dust , some chopped fibreglass strands and Araldyte and stuff it under the damaged area.
Next day sand damaged area down to the glass laminate and 30 mm around it.
With a mini type spatula Araldyte a couple layers of fibreglass over the whole area.
Mini sand.
Contact adhesive the pad back down.
Done .
Paint for looks if u want.
It's not perfect but it's strong and it's only the cost of Araldyte , some glass ( auto place ) and easy to do.
I do not take responsibility for any stuff ups