There have been similar complaints about duplicate USB Share names in the past. See those discussions for potential workarounds using the forum search feature, magnifying glass icon upper right. Here are a few past discussions:
http://wdstagingsplit.staged-by-discourse.com/t/usb-path-not-found-400044/162239
http://wdstagingsplit.staged-by-discourse.com/t/my-safepoints-disappear/160698
http://wdstagingsplit.staged-by-discourse.com/t/usb-drive-makes-new-name/152675
http://wdstagingsplit.staged-by-discourse.com/t/dublicate-shares-after-reboot/153348
