Syntax error: unexpected ''y'':
Try adding commas to the command:
testfor @a [x=0,y=4,z=0,r=10]
Syntax error: unexpected ''y'':
Try adding commas to the command:
testfor @a [x=0,y=4,z=0,r=10]
Try adding commas to the command:
testfor @a [x=0,y=4,z=0,r=10]