Your theme has a file named cropper.php in it that does something with images. It is giving errors, so it may have become corrupted. Use FTP to replace it with a fresh copy or just switch to a new theme.
Warning: finfo_open() [function.finfo-open]: Failed to load magic database at ‘/usr/share/misc/magic’. in /home/jsilvia/public_html/wp-content/themes/news-magazine-theme-640/cropper.php on line 226
Warning: finfo_file(): supplied argument is not a valid file_info resource in /home/jsilvia/public_html/wp-content/themes/news-magazine-theme-640/cropper.php on line 227
Warning: finfo_close(): supplied argument is not a valid file_info resource in /home/jsilvia/public_html/wp-content/themes/news-magazine-theme-640/cropper.php on line 228
Warning: Cannot modify header information – headers already sent by (output started at /home/jsilvia/public_html/wp-content/themes/news-magazine-theme-640/cropper.php:226) in /home/jsilvia/public_html/wp-content/themes/news-magazine-theme-640/cropper.php on line 314
The “Failed to load magic database” error is something I haven’t seen before.