Qt Undefined Reference to vtable

[bmhautz]

in addition, i tried adding

udpSocket = new QUdpSocket(this);

udpSocket = new QUdpSocket(this);

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to the Jaus_neighbor constructor and keep getting the following error:

error: no matching function for call to 'QUdpSocket::QUdpSocket(Jaus_neighbor* const)

QUdpSocket::QUdpSocket(QObject* parent = 0) requires that Jaus_neighbor be a subclass of QObject.