Receiving parse error for functions_showthread

[carolmyt]

I'm receiving the following when trying to view a thread:

Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `T_NUM_STRING' in /var/www/html/includes/functions_showthread.php(640) : eval()'d code on line 64

(which repeats 10 times in the header)

and

Unable to add cookies, header already sent.

on the page.

Lines 63, 64 and 65 are:

PHP Code:

eval('$userinfo[\'icqicon\'] = "' . fetch_template('im_icq') . '";');
                $userinfo['showicq'] = true;
                $show['hasimicons'] = true; 


I have no idea what's going on, reloading old files isn't helping. Please help!