so i've been aiming for the platinum trophy and now im nearly there! the fix-er-up trophy is one of the last i need, but even after building 1000 items it still won't pop. I have tried reloading a level 1 save and build 100+ fences, still nothing... does anybody know how to fix this? :s

Is that one for doing mods to weapons/armor, by any chance?

I know it says "workshop objects", but I think I got mine before I ever even built any real settlement, and was only doing weapon/armor mods.

it's the one for making/creating 100 items in the workshop!

Ya know, for somebody asking for help, you come off a little rude to somebody trying to help you.
Anyway...

My point is that maybe your "glitch" is the same one that happened to me.
I got the trophy for modding weapons/armor.
NOT for building settlement items.
Have you modded any armor/weapons yet?

Or...just start a new game and only go as far as sanctuary, scrap everything, and build, build, build.

I got it while stripping down weapons and armor to make them all stack in workshop inventory without a ton of clutter.