I just looked at your LOG file, it seems to be a file located in your project with more than 256 characters, for example:
-23 characters bigger than the processId version (…/…/…/…/…/…/Users/Isac/Documents/ALCopy2/ALCopy/AmberLakeCabin/Intermediate/Shaders/WorkingDirectory/3744/)
Check also if you can find a file called none, (press F3 in your project and look uo for that word with windows explorer)
You can also try to disable any plug in you are already not using (but for some testing maybe you enabled some months ago).
Finally, for last option, copy your folder into a new windows user account, and try to package it over there (there are some defaults options from UE that can help your process being succesfull).
Any feedback you get after this, please let me to know 