I see, though the characters i made were created on a brand new save at the very start of the game.I would recommend saving your characters with as few customization items as possible (that includes Hair and Makeup), and loading the saved character from a Preset which most closely resmbles your saved character.
The function used for CGallery was meant for multiplayer. My guess is it's not designed to handle loading everything onto a character all in one frame. (More here.)
they have the bare minimum number of items as far as i know, hairs, makeup and the prison jumpsuit after the character is created, i would have understood if the characters i saved were full of items on them.