vRewrite error.. any ideas?

[feverhost]

I am curious if anyone has a fix or know why this is happening when I enable vRewrite?

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I get this when I turn it on.. its odd.. as I have this installed on 5 different forums and they all work fine, except this one:

Fatal error: Call to undefined function: urlize() in /forum/includes/functions.php(4946) : eval()'d code on line 1081

Any ideas?

[Opserty]

Post in the thread in which you downloaded the modification from for the best chance of help.