Insert Instance failed? [NOT SOLVED]

[DoorsPro_Bacon (Red)]

Okay so im trying to insert something from a rbxm file and i get this error?

Does anyone know what to do? its something really important and i cant seem to fix it…

[Ar_Link (Ardev)]

Try reinstalling studio that usually works.

[DoorsPro_Bacon (Red)]

Thought it worked, but it still cant insert one specific file. [ITS NOT SOLVED, I WANT THAT ONE FILE TO BE INSERTED]

[Farmboy014]

what are the details, and what is the thing your trying to insert?

[DoorsPro_Bacon (Red)]

Everything (terrain excluded) copied from a game and uploaded to a file (selected parts and others, not workspace, replicatedstorage etc.)

[Farmboy014]

@DoorsPro_Bacon

Can you tell us what is says when you hit sow details?

[DoorsPro_Bacon (Red)]

It shows the output, (autosave and unhandled promise rejection)

[DoorsPro_Bacon (Red)]

But if i manually look at the output it shows this

[MrSourV (ProxyDeveloper)]

This appears to be a roblox studio issue, a pirated file, or a file that is not prepared for roblox studio.