is this rare

Hey so i was making smth in the mid 2013 roblox studio client, but eevrytime i try to load a r6 rig i downloaded to my pc i keep getting this error, can someone please help?

Retrostudio pursuer model i made for fun

173 model i made for an obby im working on

I AM JEFF THE KILLER!

I AM JEFF THE KILLER!

I AM JEFF THE KILLER!

I AM JEFF THE KILLER!

I AM JEFF THE KILLER!

I AM JEFF THE KILLER!

Nextbots found alive mid outbreak

Green Jerry and Blue Carl or smth i dont even know anymore

I sure love when the old roblox player collisions script breaks and makes the ragdolls stick to me.

Her name is Bella trust

Horrible attempt at a fanmade 173 design.

Also uhhh merry christmas i suposse.