Media upload problems

An error when Publishing images in post added by URL:

Warning: imagejpeg() [function.imagejpeg]: SAFE MODE Restriction in effect. The script whose uid is 1038 is not allowed to access /home/desusnew/domains/desus.si/public_html/wp-content/uploads/2013/08 owned by uid 1001 in /home/desusnew/domains/desus.si/public_html/wp-includes/media.php on line 467

Warning: imagejpeg() [function.imagejpeg]: Invalid filename in /home/desusnew/domains/desus.si/public_html/wp-includes/media.php on line 467

Warning: substr() expects parameter 1 to be string, object given in /home/desusnew/domains/desus.si/public_html/wp-content/plugins/recent-posts-slider/recent-posts-slider.php on line 198

Warning: Cannot modify header information – headers already sent by (output started at /home/desusnew/domains/desus.si/public_html/wp-includes/media.php:467) in /home/desusnew/domains/desus.si/public_html/wp-includes/pluggable.php on line 881

Error when uploading image to media library (folders are there, permissions set) just happened suddenly no new plugins or updates.

“222465_1015.jpg” are not uploaded because of an error
Uploaded files can not be moved to /home/desusnew/domains/desus.si/public_html/wp-content/uploads/2013/08.