>>>I have been skimming through code for about an hour, trying to find what is causing this error.
>>>
>>>source is out of date.
>>>
>>>would someone please point me in the right direction?
>>
>>Try deleting the .fxp
>thanks, that fixed it.

It's stupid, isn't it? It's been a fox problem ever since there were PRG files. I've not yet heard a good explanation as to why it happens.