Issues with pin after rooting note 9 - Samsung Galaxy Note 9 Questions & Answers

Hey guys, basically I am facing an issue now, basically, I successfully rooted my note 9 which is on the android pie (using twrp and magisk)
And now I have this issue that every time I try to create a lock for the phone (i.e. fingerprint or anything else) And I input the password. Then it doesn't lock my phone, however, it doesn't let me register fingerprints as it says the pin I enter is wrong. And I had to reset it 5 times already.
Please help

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[Q] Device Encryption issue

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Thanks
Well I tried decrypting and re-encrypting but the decryption process would never really begin, it just hung when trying to restart my phone, so I eventually just did a factory reset and encrypted again from scratch. It is all working again. I hope I don't have to do this every time I get an OTA.

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Help?

Finger print sensor fails after upgrade to Pie

Yesterday, I upgraded to Pie, which was a bit of a pain. Now I cannot complete the finger print registration anymore:
Enrollment was not completed
Fingerprint enrollment didn't work.
Try again or use a different finger.​I also ran FPTest in the *#*#miui#*#* menu. Here as well, I cannnot complete the enrollment process. It gets stuck at:
11 touches: 88%​
Any idea what may be the problem?
Note that my A2 is rooted, with Magisk. Temporarily (without reboot) deinstalling it did not help.

How to return to stock?

Hello guys! After experiencing all custom ROMS including Xiaomi.EU, figured out that every single one has some small inconvenience for me and planning to return to stock, eventually using only Magisk and potentially a custom Kernel.
Managed to install every single version of Global Developer ROM, everything works well except the FaceUnlock that was gone, (the phone remained stucked in China region) and I am not able to access the fingerprint section, after few tries it brings me an error message.
Tried also using MIFlash , but the Fastboot ROM writting took 3 sec to write and stopped as successfully, then nothing but bootlooping.
Currently is the phone is functional, but as mentioned before not able to setup new fingerprints (using cache and data from old recovery and those work) neither Face Unlock.
Tried to Google any kind of solution, but unfortunately nothing worked.
Any suggestion is appreciated.
I see that nobody is interested to support, so I continuously researched and figured out that doing a full wipe and following these steps from this post will solve my problem:
https://forum.xda-developers.com/mi-8/help/chinese-mi8-to-global-instructions-t3839665
From I don't know which reason I was blocked on China region without the possibility to changing it.

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