Problems connecting an Android application – Stack Exchange on Android enthusiasts

I have created an Android application with a recording session and login. When i try to login / register on my phone using USB debug mode. It shows a connection error message.

eeeeecom.android.volley.NoConnectionError: java.io.IOException: Clear text HTTP traffic to 192.168.1.4 is not allowed.

Mobile and system connected to the same network and apparently running PyCharm, SQLYog, Wampserver, Android Studio on PC. All permissions are allowed in the application settings.

I'm using a mobile with Android pie version.