Attempt to perform arithmetic on a nil value (SOLVED)

Questions
1

Hi,

This is strange. I have this at line 193:

print("josh", (self.pos[who])%self.gridx, self.grid[self.pos[who]+1])

and it prints the following:

DEBUG:SCRIPT: josh	3	1
ERROR:SCRIPT: /scripts/level.script:193: attempt to perform arithmetic on a nil value
stack traceback:
	/scripts/level.script:193: in function 'gridcheck'
	/scripts/level.script:220: in function </scripts/level.script:213>````
3

okay. it’s cause the code is running twice. NEVER MIND!

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