qt.qpa.xcb: could not connect to display qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
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So it looks like your X server installation is incomplete to run Qt applications with the xcb backend. I would start by fixing that.
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Can you help me with how to fix the incomplete X server installation? Or help provide some resource which can be helpful?
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@jsulm
That package is already installed according to the apt-install as can be seen in the below image:
Also, when i try to run the app (as debian user) from the terminal, i get the following error:
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@Yash_r Why do you start it with sudo?! By default starting GUI apps with sudo is not allowed for security reasons.
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It looks like a warning rather than an error per se.
You might have to configure something on the X server side.
