Problem with Endnote web and Plugin for word

Hello, I have EndNote Web and microsoft word 2013 plugin. I have no problems with these since yesterday, when I started this message:  Application request During deserialization failed: not well-formed (invalid token) at line 2, column 33879, 33930 byte at/prod/products/endnote-webapp/ENW-3.12/ro/release/thirdparty/perl/lib/site_perl/5.8.6/i686-linux/XML/ line 187

So, i Uninstalll the plugin and reinstall , and nothing. Also I change my username and password and nothing.

Someone can help me, thanks