Recently, Ronnie Higgins and I found a bug in the way that ODATA and FMREST handle scripts in other .fmp12 files. Even when the files are linked and share the same credentials, we couldn’t get the “Perform Script” step to work in the second file. After gathering input from FileMaker legends like Wim Decorte, John Renfew and Steven Dolenski, we were able to find a few workarounds.
Check out the article for more details.