The HGFS kernel module was not found on the running virtual machine. This must be installed for shared folders to work properly. Please install the VMware tools within the guest and try again. Note that the VMware tools installation will succeed even if HGFS fails to properly install. Carefully read the output of the VMware tools installation to verify the HGFS kernel modules were installed properly.
run sudo vmware-config-tools.pl
from the vagrant box and answer yes to this question:
VMware automatic kernel modules enables automatic building and installation of VMware kernel modules at boot that are not already present. This feature can be enabled/disabled by re-running vmware-config-tools.pl.
Would you like to enable VMware automatic kernel modules?