p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #000000}
span.s1 {font-variant-ligatures: no-common-ligatures}
components/com_jssupportticket/views/ticket/tmpl/formticket.php line 526: 

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #000000}
span.s1 {font-variant-ligatures: no-common-ligatures}
<input type="hidden" name="uid" id="uid" value="<?php echo $this->editticket->uid;?>" />

Should be:

<input type="hidden" name="uid" id="uid" value="<?php if (isset($this->editticket)) echo $this->editticket->uid;?>" />p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #000000}
span.s1 {font-variant-ligatures: no-common-ligatures}