like mentioned above the ball is coming in slightly behind the head pin. I would check to see how the 10 pin fell and adjust from there. Mostly just bad breaks though
As per above, not enough info to give an accurate diagnosis, depending upon if they are soft corner pins or wraps (up and around the necks of the pins)
If soft, try decreasing entry angle and catching more oil (get the ball energy to the pocket). Or if you are able, come more up the back of the ball.
If wraps, take some hand out of the ball...
If you have a knowledgeable pro shop guy or coach, get them to have a look at your gear, sometimes a different drilling will solve the problem, but I would only resort to a re-drill if it is your home centre and you bowl the majority of your leagues and comps there...