Filemaker Go 16.0.2
script sets a variable to Get ( DocumentsPath ) & "a_file.ext"
On Pro if the file does not exist then the script will carry on and you get a 100 error
On Go if the file does not exist you get a file chooser dialog asking you to select a file, if you hit cancel then you get a 1 error otherwise this can NOT be by-passed, and is a less than beautiful user interface
This does appear to also be the case in Go 15 - but was testing as now we can put files into variables. It might be more helpful if this was fixed as a behaviour. It seems somewhat counter-intuitive.