Anyone any idea ??? why it is not work anymore

Hi All,

I receiving the following error with the script.

2019-01-04 14:27:01.459 Error: EventSystem: in /home/pi/domoticz/scripts/lua/script_time_CheckPhones.lua: /home/pi/domoticz/scripts/lua/script_time_CheckPhones.lua:51: attempt to index field 'location' (a nil value)

If I print(result) then ...