Checking if file exists in a BPM method directive

[aosemwengie1 (Alisa Osemwengie)]

@Epic_Santiago

As for when the warnings will become errors, there is no date as of yet. Whenever we turn any warnings into errors, this will be communicated before hand.

Apparently not. Apparently Epicor has just decided to change the code without telling us? Unacceptable. Epicor, do not touch my code