'Msopher117' - Welcome to the KCA Forum.

The Krag side-plate has to be properly seated or it can cause feed problems.

(Usually an 1898 Krag Action has to be removed from the Stock to fully remove or replace the side-plate, because of the closeness of the Stock in that area).

However, you can try lightly tapping the rear area of your side-plate with a small plastic mallet to see if it seats more fully and then snug up the screw. You can visibly see when the plate is tight against the side of the receiver. The screw should tighten fully, easily.