start QtCreator on Suse fails with error : /opt/Qt5.0.0/Tools/QtCreator/bin/qtcreator: symbol lookup error: /opt/Qt5.0.0/Tools/QtCreator/bin/platforms

Hi , has anyone an Idea what is going wrong here? Suse Version is : Suse Linux Enterprise Server 11 SP2 64-bit Thanks in advance error is : /opt/Qt5.0.0/Tools/QtCreator/bin/qtcreator: symbol lookup error: /opt/Qt5.0.0/Tools/QtCreator/bin/platforms/libqxcb.so: undefined symbol: XIQueryVersion