I can upload image in media but can insert in post

I can upload image in media but can insert into post. What’s happend with my site? When i go to insert a image into post the error is displayed.Warning: is_executable() [function.is-executable]: open_basedir restriction in effect. File(/usr/local/bin/curl) is not within the allowed path(s): (/home/:/usr/lib/php:/usr/local/lib/php:/tmp:/usr/local/apache/htdocs) in /home/freelanc/public_html/wp-includes/class-snoopy.php on line 208.

PLS HELP ME.