Wrong datatype for second argument in ..../addon_avatar.php on line 15

I was trying to make a new topic in FAQ section but making new topics is disable.

Here's the thing I remember I has the avatar add on was working perfect and now when I go to Profile I get this error:

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /home/colo8847/public_html/forums/addon_avatar.php on line 15

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /home/colo8847/public_html/forums/bb_func_editprf.php on line 11

And when I go to Choose avatar from list I get this error:

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /home/colo8847/public_html/forums/addon_avatar.php on line 15

And when I select an avatar I get this error:

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /home/colo8847/public_html/forums/addon_avatar.php on line 15

Warning: Cannot modify header information - headers already sent by (output started at /home/colo8847/public_html/forums/addon_avatar.php:15) in /home/colo8847/public_html/forums/addon_avatar.php on line 187

I've tried lot of things and I couldn't fix it. can any1 help me?

Thanks a lot!

Check your $mods array under bb_specials.php. It should be properly set following the correct setting format, as it's described in Manual.