How to freeze app M1 OS4.5.5.

Hi, need help how to freeze application under new OS 4.5.5… I was using Titanium Back Up in previous version of OS, where everthing works. Since 4.5.5. I can not freeze any application, phone is rooted, I have the option to freeze, but when I click on it, there is no change. Do I need any special root/SU application for Titanium to run correctly? How you are freezing applications and which are ok to freeze?

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