Hay,
I have this error.

EXCEPTION: NSt8ios_base7failureB5cxx11E       
CDataStream::read(): end of data: iostream error       
datacoin in Runaway exception       

datacoin-qt: /usr/include/boost/signals2/detail/lwm_pthreads.hpp:60: void boost::signals2::mutex::lock(): Ubacivanje „pthread_mutex_lock(&m_) == 0”