Hello!

Some time ago, after I reinstalled Qt to a newer version (Qt 5.2.1), I'm receiving this message sometimes when I start one of my programs:

Qt Code: 
  1. Type conversion already registered from type QPair<QByteArray,QByteArray> to type QtMetaTypePrivate::QPairVariantInterfaceImpl
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Does anybody have a clue on what is causing this? I have no type registration in this application and I don't use QPair neither once.

Thanks,

Momergil