There's only one fix that I know of its called the snowflake app
Here's another way new rr already comes with magisk manager on it. Just wipe in TWRP, flash newest rr, reboot system once and then flash this experimental magisk zip in TWRP
Also when your ...
no. unfortunately viper doesn't work.
Friend showed me how to fix it. Start off with viper uninstalled go here
And delete this line in a root explorer
Then install your viper
Which partitions did you restore?
Boot, data,vendor image, system image
I did the default factory reset in TWRP before I did it
August Aroma installer working on September update for me.