Notice: Undefined variable: ticket

Hello,

i have an error in my support system i dont know how i can fix it, it's appears suddenly with Lang

Notice: Undefined variable: ticket in /home/egyonen/public_html/support/lang/lang.php on line 47

Notice: Trying to get property of non-object in /home/egyonen/public_html/support/lang/lang.php on line

any one can help ??

Please attach your lang.php so that we can take a look at it.