11995 MAMBO Script Errors

I have two script errors the first is a clssifieds which does not display the Type for the Category during befor submiting of an add. Warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/rv/public_html/components/com_classifieds/[login to view URL] on line 414 Warning: reset() [[login to view URL]]: Passed variable is not an array or object in /home/rv/public_html/includes/[login to view URL] on line 1101 The second is a contact form which is producing the following error. Fatal error: Call to a member function def() on a non-object in /home/rv/public_html/components/com_contact/[login to view URL] on line 323