Google maps dont work

Hi, someone can me help with that problem? when i try to open google maps my phone crash... that happens after i install a new ROM... im noob with that things and i think i had some luck when i install it...
Should i install a new ROM?
Model: P6-U06
Versão Androido: 4.4.2
Versão IU Emotion: 2.0
Número de Compilação: etc...B506???