UPDATE
We just released a new firmware update for the mcMod110's to fix the above issue. With the new firmware, the mcModule will not 'brick' if you accidentally hit the 'Erase data store button when updating the modules using mcOTA. Please be sure to update your modules to the latest firmware (available from our website on the download page)
* Note - as mentioned previously, the 'Erase Data Store' option in mcOTA is meant to erase the module registry on the mcGateways. This allows you to delete the registry of modules that the gateway stores in its memory
Thanks!