Can anyone help me here with my issue of Not receving / sending msgs on latest ver. of Wazapp. I have deleted old data completein and has a new ver. Did the sync contacts and restarted my N9 several times.

The msgs I sent changes color from Red to Yellow but doesnt get change to Green (which means delivered).
I dont receive any msgs my friends send me. (I confrmed with them)

Please help ???