Scalar Error

Thanks for the awesome and simple plugin. It works fine with me on localhost (Apache on Windows) but when i try to use it on a staging linux server I get the error in ajax Cannot use a scalar value as an array in [..]

http://oi65.tinypic.com/nce3j5.jpg

http://egyweb.org/ablatazza/

Thanks in advance..

https://ww.wp.xz.cn/plugins/favorites/