so i have built my own item but i will not show up in game can anyone help me please, i have know idea what im doing wrong and i have tried several different time and i keep failing. please i need some help! thank you so Much
I have add the file if anyone can take a look and help me figure out what i did wrong, thank you so much in advance!

Hi! I tested your file and it shows up in my game in buy catalogue but it doesn't show up when I try to place it on a wall. The problem is that your diffuse texture size is incorrect. You've got 238x250px while the dimentions of your texture need to be a power of 2 (e.g. 256x256px, 1024x2048px etc.)

ooooh okay thank thank you much!!! you're the best!

omg it worked thank you soooo much!!!

I'm having an issue where my texture is just black. I've tried every baked item, and it's still staying black in The Sims 4 Studio. Any idea of what I'm doing wrong?

Can you share an updated file?

its a different frame but the fifth one is the backed frame and its black, i backed as combined everything

I opened the mesh in blender and the uv is not unwrapped. Could you have imported the wrong mesh in s4s?

no i have the mesh in folders, when do you unwrapp ? when you make the object in blender or when you are joining the object together?

Your mesh must be completely done, then you unwrap it

when I import the texture now it disappears in the sims 4 studio what am i doing wrong? i figured out to remove the metalic because it was making my texture to dark but not its making it disappear please help!?? thank you!

Did you bake new textures to fit the new uv map?

yes i combined one in blender

For some reason the mesh still appears not unwraped in blender. And you need to have only one uv map for build/buy objects

hhm that weird because i did unwrap it and more then on uv map it on there how is that possible? ill try and remember to delete the other uv maps thank you so much for your help ill go and fix it and see if it helps!

Is it possible you're combining meshes that were different formats? (ie. an .obj, something new made in Blender, etc being combined with a TS4 mesh)
Blender will only combine UVs that have the same name, but different formats will often use different names- meaning they wont be combined and one will be lost.
Make sure to check in Object Data before joining any meshes with existing UV that they're all called uv_0 when working with TS4 objects- or unwrap everything last, when all joins are done.

OMG THAT WORKED THA NK YOU SO MUCH!!!!!! i just had to change the names omg yessss !!!!!!!!