After run QML Profiler i've got the following output:

General Messages:

QML Profiler: Socket state changed to QAbstractSocket::HostLookupState 
QML Profiler: Socket state changed to QAbstractSocket::UnconnectedState 
QML Profiler: Error: QAbstractSocket::HostNotFoundError 
QML Profiler: Debug connection failed.

Application output:

W/default : QML Debugger: Unable to listen to port 56731.

My target smartphone is Samsung Galaxy A51, if i simply run debug & deploy everything is deployed and run on target without problem., but QML Profiler fails every time. Firewalls and antiviruses is turned off, smartphone is switched to USB-modem mode. ADB and developer mode is enabled, debbuging over USB is enabled.

Help me please to find a solution. Thank you.