Harmony QuickTime Error Message - memory full

I’m trying to export a .mov and every time I do it says this:
Quick time server: E 11:17:08.903 QuickTime error: Memory full error ("-108")

I’ve tried uninstalling and reinstalling Quicktime, I’ve also checked for any memory issues or conflicting programs, but I can’t seem to figure out a solution. I was exporting fine before, and this started happening randomly.

Same is happening to me! Somehow it exports as a standalone “movie”, but not as “render write nodes”… I have plenty of free memory. Any help appreciated!