To resolve this issue, the following information for users has been released:
If you are using EndNote X2 a patch to correct this issue is available at http://www.endnote.com/support/ENX201_WinMac_updater.asp
If you are using EndNote X1 a patch to correct this issue is available at http://www.endnote.com/support/ENX102_WinMac_updater.asp
We recommend that users of EndNote X and below upgrade to the current version at http://www.adeptstore.co.uk to achieve full functionality. Alternatively users of versions 8, 9 & X may use the manual work around as detailed at http://www.endnote.com/support/Faqs/Import/faq20.asp
If you’re using EndNote X3 you do not need a patch as the records will import correctly.