AsyncPrinter _onConnect not working

[JojoS62]

I have copied AsyncPrinter to AsyncTCP for ESP32, and it has thrown an exception on connect. It looks like the check for a valid buffer pointer is negated:
https://github.com/me-no-dev/ESPAsyncTCP/blob/15476867dcbab906c0f1d47a7f63cdde223abeab/src/AsyncPrinter.cpp#L107...L110

And how about the further development of this library and porting it to ESP32? It looks like the dev is stale, or are there already Libs for AsyncPrinter based on AsyncTCP for ESP32?
thanks.

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