isn't a valid image

<br /><br />&nbsp;&nbsp;FILE: /homepages/29/d26455483/htdocs/3art/public/imgresize.php
<br />&nbsp;&nbsp;LINE: 7

<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;FILE: /homepages/29/d26455483/htdocs/3art/cm-system/class/imageTransform/imageTransform.php
<br />&nbsp;&nbsp;&nbsp;&nbsp;LINE: 236

<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FILE: /homepages/29/d26455483/htdocs/3art/cm-system/class/imageResizeController.class.php
<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LINE: 39
<br />