Fuchsia OS Failed to start the emulator - operating-system

I am trying to install fuchsia and it was downloaded perfectly , but when I tried to start the emulator , it popped waiting for emulator to start and then it failed, giving error
device, health check failed . Unable to ssh due to error : exit status 2
Then, when I checked the log file for error:
It showed This application failed to start because no QT platform plugin could be initialized. Reinstalling application may fix the problem.
#I have tried to reinstall 2-3 times, tried every possible thing, qt was installed properly even qtcreator was working, still while running fuchsia same error is coming
Any answers?Any solution

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