Getting error message when trying the Exosite example for product light bulb


I am just trying with the example provided in the Exosite light bulb with python simulator… but when i am running I am getting this error can some help me on this?
Plse find the below details

get stored CIK from non-volatile memory
problem getting stored CIK
Activation Response: Device Already Activated, there is no CIK
Starting main loop
exception cant convert ‘NonType’ object to str implicitly


@aditya -

Thanks for posting! It sounds like your device is already activated, and you have misplaced the CIK file the script creates. You can correct this by deleting your current device identity and adding it back.

Don’t forget to use the version 2.7 interpreter.