Not an expert, but try going to "C:\Users\TheMusic\AppData\Roaming\.minecraft\assets\objects\47\47800737d078e751698df291054adc596ba8195a" and deleting everything inside of it, then retry. Those files should be temporary but backup before.
I asked my friends, and they have the error aswell.
Reedalini
Not an expert, but try going to "C:\Users\TheMusic\AppData\Roaming\.minecraft\assets\objects\47\47800737d078e751698df291054adc596ba8195a" and deleting everything inside of it, then retry. Those files should be temporary but backup before.