Swimming pools blog

I have a 24 ft. round above ground pool that I put up last year. A
sharp object that appears to be a rock is has suddenly appeared under
the liner and I’m afraid it is going to wear a hole in the liner.
The object is about 6 inches in from one side of the pool and I’m
tempted to try and either tunnel or work my hand under the liner to
try and remove the object. My other thought was to just put a vinyl
patch over it and hope for the best. What do you all advise?
thanks,
Dave