I'm currently using nginx/1.4.7 and for some reason a client is complaining that the page is showing with errors in both his browsers (Firefox and IE).

The error in question is the following:

https://www.dropbox.com/s/wnpjyyq01j7l5qg/Problemas%20ao%20inserir%20post.jpg

Does anyone have any suggestion or idea of why this is happening?

Regards.

$ nginx -V
nginx version: nginx/1.4.7
built by gcc 4.7.2 (Debian 4.7.2-5)
TLS SNI support enabled
configure arguments: --with-cc-opt='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2' --with-ld-opt=-Wl,-z,relro --prefix=/usr/share/nginx --conf-path=/etc/nginx/nginx.conf --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-debug --with-pcre-jit --with-ipv6 --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --with-file-aio --with-http_spdy_module --with-http_addition_module --with-http_dav_module --with-http_flv_module --with-http_geoip_module --with-http_gzip_static_module --with-http_gunzip_module --with-http_image_filter_module --with-http_mp4_module --with-http_perl_module --with-http_random_index_module --with-http_secure_link_module --with-http_spdy_module --with-http_sub_module --with-http_xslt_module --with-mail --with-mail_ssl_module --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/headers-more-nginx-module --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-auth-ldap --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-auth-pam --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-cache-purge --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-dav-ext-module --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-development-kit --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-echo --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/ngx-fancyindex --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-push-stream-module --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-lua --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-upload-progress --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-upstream-fair --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-syslog --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/ngx_http_pinba_module --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/ngx_http_substitutions_filter_module --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/ngx_pagespeed --add-module=/usr/src/nginx/source/nginx-1.4.7/debian/modules/nginx-x-rid-header --with-ld-opt=-lossp-uuid