changed servers this weekend all okay but now i cannot generate thumbnails
Create thumbnail for: laguna surf and skim boarding (artpictures_ke6f5249.jpg) ....
Warning: imagejpeg(): Unable to open './../data/thumbnails/31/artpictures_ke6f5249.jpg' for writing in /home/artpictu/public_html/gallery/includes/image_utils.php on line 89
Error creating thumbnail!
Thanks with any help