Deals With Peppers and Cucumbers
Peppers are developing large patches of sunken flesh, like the single spot died. Cucumbers are growing into the strangest shapes. Very light in color ranging from white to striped.
Certified GKH Gardening Expert
You probably have a grub or a worm of some kind that is affecting your peppers. This article will help: https://www.gardeningknowhow.com/edible/vegetables/pepper/worms-on-peppers.htm
If the spot is strictly on the bottom of the fruit, then it is likely blossom end rot. Here is additinal info: https://www.gardeningknowhow.com/edible/vegetables/pepper/pepper-blossom-end-rot.htm
As for the cucumbers, this article should help: https://www.gardeningknowhow.com/edible/vegetables/cucumber/deformed-cucumbers.htm