Segmentation fault when runnig vaporGUI

Hello, I have a problem concerning starting the vaporGUI on my Linux device. Normally, I can start it without problems but one time I got a Segmentation fault and until now I could not run it again. Here is the output of the gdb: #0 0x000000000060bae6 in VAPoR::UserPreferences::elementEndHandler(VAPoR::ExpatParseMgr*, int, std::string&) () No symbol table info available. #1 0x00007ffff699d48f in VAPoR::ExpatParseMgr::_endElementHandler(char const*) () from /user/VAPOR//vapor-2.5.0.RC0/lib/libvdf.so.2.5.0 No symbol table info available. #2 0x00000034b8c0a836 in ?? () from user/VAPOR//vapor-2.5.0.RC0/lib/libexpat.so.1 No symbol table info available. #3 0x00000034b8c0bbce in ?? () from user/VAPOR//vapor-2.5.0.RC0/lib/libexpat.so.1 No symbol table info available. #4 0x00000034b8c0d4fa in ?? () from user/VAPOR//vapor-2.5.0.RC0/lib/libexpat.so.1 No symbol table info available. #5 0x00000034b8c0de3b in ?? () from user/VAPOR//vapor-2.5.0.RC0/lib/libexpat.so.1 No symbol table info available. #6 0x00000034b8c0688d in XML_ParseBuffer () from /user/VAPOR//vapor-2.5.0.RC0/lib/libexpat.so.1 No symbol table info available. #7 0x00007ffff699cefe in VAPoR::ExpatParseMgr::parse(std::basic_ifstream >&) () from /user/VAPOR//vapor-2.5.0.RC0/lib/libvdf.so.2.5.0 No symbol table info available. #8 0x000000000060b186 in VAPoR::UserPreferences::loadPreferences(char const*) () No symbol table info available. #9 0x000000000060b734 in VAPoR::UserPreferences::loadDefault() () No symbol table info available. #10 0x000000000066263e in VAPoR::MainForm::MainForm(QString&, QApplication*, QWidget*, char const*, QFlags) () No symbol table info available. #11 0x000000000064db6a in main () No symbol table info available.