**hardware back button is not working in ionic 5 angular because of google and facebook authentication **

I tried all google auth and facebook auth in npm module but didn't get any error even app is installed but not opening what is the issue i don't konw

why the issue is come i don't know but when i comment google and facebook authentication, hardware back button is working whenever i uncomment all commented code hardware back button is not working even i tried all my exception.

please give me the solution