June 25, 201411 yr I’m working on a Mac OS X 10.9.3 and have a FileMaker 13 Pro developed app that I’m trying to implement a SMS solution in. I’m getting an Error 3 message – Command is unavailable (for example, wrong operating system, wrong mode, etc.). and will be implementing on iPad as well. Can you give me a hand on what I need to do to get this to work?
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