R14 Failed to save project

I'm trying to consolidate a number of one-timeline projects into a single, multi-timeline project. So far, I cannot save a new project created by copying and pasting even one timeline from the first single-timeline project. I have saved log files here of my two different attempts to do so:

https: www.dropbox.com sh hvctyrtivowmjyk AAA67uVBUxjlr2vd32VuBJpNa?dl=0

Resolve version 14.0.0.078

This Mac:

macOS Sierra 10.12.6
Mac Pro (Late 2013)
3GHz 8-Core Intel Xeon E5
64GB 1866 DDR3 RAM
AMD FirePro D700 6144MB (x2)