Runtime error looking for QtPiBTFirmata

Runtime error attempt to invoke virtual method ''on a null object refernce

I think you are getting null (empty value) value from the input you are giving
I am not sure can you show your blocks?

Where are you getting the error? Code? Blocks? This info provided is not sufficient at all.

We don't provide a component called QtPiBTFirmata. If this is a component that you've implemented yourself, you likely need to install the companion APK file built in your local sources. Do not use the version from the Play Store since it won't have the code for this new component.

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