Audio Unit errors can occur when you are trying to load the instrument with the standalone application or in a DAW. Here are a few examples:
If you are receiving any errors referring to Audio Units, first make sure that the .component file for your instrument is showing up in this location:
Macintosh HD/ Library/ Audio/ Plug-Ins/ Components/
If it is present, restart your computer and this should resolve this issue.
If you do not see the .component file or .vst file, download and install a software update from your, confirm that it was installed to the above location, and then restart your computer.
If you need further assistance, please reach out to Tech Support at email@example.com.