Have u try to flash other rom?? is the problem/error remain?......have u re-install google map?
try to flash other rom 1st , then come back to Hydrogen-ICS 31.03...don't forget to full wipe..maybe this simple step may help u to solve your issue...
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.
Are you a developer?
Copyright © xda-developers. Hosted by Leaseweb