do not swallow exception on invalid config
do not swallow exception on invalid config

erhuabushuo/crossbar,NinjaMSP/crossbar,w1z2g3/crossbar,erhuabushuo/crossbar,w1z2g3/crossbar,NinjaMSP/crossbar,w1z2g3/crossbar,RaitoBezarius/crossbar,w1z2g3/crossbar,erhuabushuo/crossbar,w1z2g3/crossbar,RaitoBezarius/crossbar,erhuabushuo/crossbar,RaitoBezarius/crossbar,erhuabushuo/crossbar,w1z2g3/crossbar,NinjaMSP/crossbar,RaitoBezarius/crossbar,erhuabushuo/crossbar,RaitoBezarius/crossbar,erhuabushuo/crossbar,RaitoBezarius/crossbar,RaitoBezarius/crossbar,w1z2g3/crossbar