solidworks toolbox component error

Hello,

I 've been using solidworks toolbox for a while. today i opened an assembly and i realized that the screws were messed up:

that seems to happen only in a specific type of screws, but happens for every size of it.

i recently configured a new size, but i didn't mess with the sketch of the component or any other property.

i am using solidworks student edition 2018-2019

how can i fix this?

SolidworksToolbox