I had long been besieged by this error, and I know I can’t be the only one. I could find nothing regarding this error in the manual, the help file, or even endless Googling. Splitting your code out to multiple .stm macro files is the easy answer. But that is problematic because passing variables to functions between macro files is iffy at best. I don’t think it’s even possible without using precompiled files. I finally stumbled across this forum post….