I got a Internal Server Error error when I try to use this module??

[Cazz]

Now I maybe do it wrong, This time I was just curious about the module so I did let the Softaculous to install WB.
But I did get no error when I did install it and I did got no error when I did did install the module.

I use
Version 2.8.3
Revision 1611

But after I have add the Bakery in my menu and go inside to click on example item Option I get a "Internal Server Error error"