All entry's gone after update

All my entry’s are gone in Download manager sins wp is update to 4.1 and Download manager from 2.6.92 to 2.7.81
Not happy with that, some an idea what’s wrong and how to get my entry’s back.
[IMG]http://i59.tinypic.com/j13j2s.png[/IMG]

https://ww.wp.xz.cn/plugins/wp-downloadmanager/