Object material disappeares when I use fracture mode and it doesn`t come back

[KYCOKABTO_YCA (KYCOKABTObYCA)]

I know it’s too late, but I’ve recently came across this problem myself
You need to disable Nanite not only in the project settings, but also in the assets (underlined with the blue color)
This is before disabling Nanite

And this is after