Invalid Apk

[taz80000]

Hello everyone I installed the rom beta 21.2.17 on my mi 11 5g and I would have liked to know if anyone had a solution to install third-party apk because every time I have an error message?( view the photo)
Thank you all for your help

 

[Kacper Skrzypek]

I would have liked to know if anyone had a solution to install third-party apk because every time I have an error message?

According to your screenshot, you aren't trying to install any third-party app, but system app...

 

[taz80000]

According to your screenshot, you aren't trying to install any third-party app, but system app...

yes I try to manually update the launcher but impossible

 

[ingbrzy]

yes I try to manually update the launcher but impossible

That's not an issue..
Updating system apps by yourself isn't allowed in our ROM..