Wrapper nonce error. Please reload the page.

Got an error while pressing back button, these are the details:

```
{
"GATEWAY_INTERFACE": "CGI/1.1",
"HTTP_ACCEPT": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"HTTP_ACCEPT_ENCODING": "gzip, deflate",
"HTTP_ACCEPT_LANGUAGE": "en-US,en;q=0.5",
"HTTP_CONNECTION": "keep-alive",
"HTTP_DNT": "1",
"HTTP_HOST": "127.0.0.1:43110",
"HTTP_REFERER": "http://127.0.0.1:43110/12CVHBbLwwYjgYtjpWmempoyZN7xWXJN8j/",
"HTTP_USER_AGENT": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0",
"PATH_INFO": "/12CVHBbLwwYjgYtjpWmempoyZN7xWXJN8j/",
"QUERY_STRING": "wrapper_nonce=7b91c27606d89595d7f04867107707ce7500b15d611742eefad19edf7b769398",
"REMOTE_ADDR": "127.0.0.1",
"REMOTE_PORT": "56084",
"REQUEST_METHOD": "GET",
"SCRIPT_NAME": "",
"SERVER_NAME": "localhost",
"SERVER_PORT": "43110",
"SERVER_PROTOCOL": "HTTP/1.1",
"SERVER_SOFTWARE": "gevent/1.1 Python/2.7",
"arguments": {
"action": "main",
"batch": false,
"coffeescript_compiler": null,
"config_file": "zeronet.conf",
"connected_limit": 15,
"data_dir": "data",
"debug": false,
"debug_socket": false,
"disable_encryption": false,
"disable_sslcompression": true,
"disable_udp": false,
"fileserver_ip": "*",
"fileserver_port": 15441,
"homepage": "1HeLLo4uzjaLetFx6NH3PMwFP3qbRbTf3D",
"ip_external": null,
"keep_ssl_cert": false,
"log_dir": "log",
"max_files_opened": 1024,
"msgpack_purepython": true,
"open_browser": "default_browser",
"proxy": null,
"size_limit": 10,
"stream_downloads": false,
"tor": "enable",
"tor_controller": "127.0.0.1:9051",
"tor_proxy": "127.0.0.1:9050",
"trackers": [
"zero://boot3rdez4rzn36x.onion:15441",
"zero://boot.zeronet.io#f36ca555bee6ba216b14d10f38c16f7769ff064e0e37d887603548cc2e64191d:15441",
"udp://tracker.coppersurfer.tk:6969",
"udp://tracker.leechers-paradise.org:6969",
"udp://9.rarbg.com:2710",
"http://tracker.aletorrenty.pl:2710/announce",
"http://explodie.org:6969/announce",
"http://torrent.gresille.org/announce"
],
"trackers_file": false,
"ui_ip": "127.0.0.1",
"ui_port": 43110,
"ui_restrict": false,
"use_openssl": true,
"use_tempfiles": false,
"verbose": false
},
"plugins": [
"CryptMessage",
"Stats",
"Zeroname",
"Newsfeed",
"AnnounceZero",
"Trayicon",
"Sidebar"
],
"version_gevent": "1.1b1",
"version_python": "2.7.10 (default, Oct 14 2015, 16:09:02) \n[GCC 5.2.1 20151010]",
"version_zeronet": "0.3.6 r948",
"wsgi.url_scheme": "http"
}
```