OneDrive permissions issue for folders (not files within) on sync

We have one user who set their OneDrive in a folder off their C:\ drive, and some folders fail to sync with permissions errors (the folders only) however, he has full access on the folders, the permissions/security settings are exactly the same as every other folder that does sync properly, and all the files within the folders (with the errors) sync without any error.

has anyone seen this behavior or know how to resolve it?