@jeremy-moore1985 – I’m experiencing a “similar-but-different” issue on the latest release (v5.7.10). What’s happening for me is that, rather than the entire form disappearing, the select2 dropdown just reverts to blank when I make a selection. No javascript errors or anything.
For me, the fix (for now, anyway) is to replace the plugin with the last known “good” version:
https://downloads.wordpress.org/plugin/advanced-custom-fields.5.7.3.zip
