Begin OnFire is throwing as invalid

[GoogleCodeExporter]

What input will reproduce the problem?
Begin OnFire
End

What is the expected output? What do you see instead?
It is giving me an error saying it is an invalid blocktype, however it is a 
valid blocktype in Fallout New Vegas

What internet browser and operating system are you using?
Chrome Win8

Please provide any additional information below.
None needed?

Original issue reported on code.google.com by count.ch...@gmail.com on 13 Dec 2014 at 8:52