User running this package stuck at harmonizing

[rsalomonupenn]

Hello! I have a user trying to run this package, getting stuck at the 'Harmonising exposure' step.
Note I'm a Linux Admin, I'm not very familiar with R, so if this should be a Bug Report and if I should have the original user file this, I shall

I'm attaching the relevant files... the script itself, and images of their run





NGWAMA_SCRIPT.R.zip