Exception: Google Maps API key over requests limit.

[Carlito007]

2016-08-16 16:51:45,993 [ cli] [INFO] PokemonGO Bot v1.0
2016-08-16 16:51:45,996 [ cli] [INFO] Configuration initialized
2016-08-16 16:51:46,020 [PokemonGoBot] [INFO] [set_start_location] Setting start location.
Traceback (most recent call last):
File "C:\Users\user\bot\pokecli.py", line 609, in
main()
File "C:\Users\user\bot\pokecli.py", line 149, in main
raise Exception("Google Maps API key over requests limit.")
Exception: Google Maps API key over requests limit.
2016-08-16 16:51:50,198 [ cli] [INFO] PokemonGO Bot v1.0
2016-08-16 16:51:50,214 [ cli] [INFO] Configuration initialized
2016-08-16 16:51:50,230 [PokemonGoBot] [INFO] [set_start_location] Setting start location.
Traceback (most recent call last):
File "C:\Users\user\bot\pokecli.py", line 609, in
main()
File "C:\Users\user\bot\pokecli.py", line 149, in main
raise Exception("Google Maps API key over requests limit.")
Exception: Google Maps API key over requests limit.

any one know how to fix this error?

[Carlito007]

i am not using google api key :\