Error when running example

[ufgo]

Defold 1.3.7
grid-engine - master

ERROR:SCRIPT: example/player.script:10: attempt to index field 'direction' (a nil value)
stack traceback:
example/player.script:10: in main chunk

WARNING:RESOURCE: Unable to create resource: /example/player.scriptc: FORMAT_ERROR
WARNING:RESOURCE: Unable to create resource: /example/player.goc: FORMAT_ERROR
ERROR:GAMEOBJECT: Could not instantiate game object from prototype /example/player.goc.
WARNING:RESOURCE: Unable to create resource: /example/collection.collectionc: FORMAT_ERROR