Mdot box multitech

I am using mtdot box eu868

Flashed using the following custom firmware for DotBox (eu8868) but getting following errors when trying to do serial configuration. Hence not able to config the MTDOT BOX device settings to join the Network Server.

Any idea anyone? Thanks.

https://developer.mbed.org/teams/MultiTech/code/MTDOT-BOX-EVB-Factory-Firmware-Custom/

MMA845x::readRegister failed write r- 1
MPL3115A2::readRegister failed write
MPL3115A2::readRegister failed write
MPL3115A2::readRegister failed write
ISL29011::readRegister failed write
MMA845x::readRegister failed write r- 1
MMA845x::readRegister failed write r- 1
MPL3115A2::readRegister failed write
MPL3115A2::readRegister failed write
MPL3115A2::readRegister failed write
ISL29011::readRegister failed write
MMA845x::readRegister failed write r- 1
MMA845x::readRegister failed write r- 1
MPL3115A2::readRegister failed write
MPL3115A2::readRegister failed write

Latest source is here
https://os.mbed.com/teams/MultiTech/code/MTDOT-BOX-EVB-Factory-Firmware/

Latest binary can be found here