CMS Error message on "The front Page"
 

After installing to 4.2.0 I am getting an error on the front page www.theaussieoutdoors.com It is not there if you go to the Article page from the forum page.
Error is as follows.
Warning: in_array() [function.in-array]: Wrong datatype for second argument in [path]/includes/class_bootstrap.php(1315) : eval()'d code on line 87

Warning: in_array() [function.in-array]: Wrong datatype for second argument in [path]/includes/class_bootstrap.php(1315) : eval()'d code on line 106