1.1.1 is out now and should solve all problems.

Sorry for the Problems, it was a Big Update and i had no one for testing on different Servers.

changelog Version 1.1.1
* ADDED Hidden Field from Form works for Offers and Rooms now
* ADDED Select needed Permissions for Reservations Admin
* FIXED mouseOver in Overview
* FIXED Datepicker in Edit
* FIXED Upgrade Script. Everythink should be fine now.
* FIXED General Settings

Grap it now from WordPress.org