Hi, i have the same problem.
wpb2d Version: 4.2
PHP Version: 5.6.8-nmm1 CGI
WordPress Version: 4.2.2
After changing my php version to 5.5.24-nmm1 CGI it wors for me. Maybe this will help you.
Dear Michael De Wildt, could you solve this issue?
Thank you!
Tobias
