Whoops\Exception\ErrorException Class 'PicoFeed\Reader\Reader' not found

Whoops\Exception\ErrorException thrown with message "Class 'PicoFeed\Reader\Reader' not found"

Stacktrace:
#0 Whoops\Exception\ErrorException in /var/www/html/admin/modules/dashboard/sections/Blogs.class.php:72

--------------------

/var/www/html/admin/modules/dashboard/sections/Blogs.class.php
return '';
}
$feeds = explode("\n",$feeds);
if(empty($feeds[$section]))

{ return ''; }
$feed = $this->getFeed($feeds[$section]);
if(empty($feed)) { return ''; }

return load_view(dirname(_DIR_).'/views/sections/blog.php',array("items" => $feed->items, "limit" => 5));
}

/**

• Get the feed from cache or retrieve it
• @param string $feed The feed URL
• @return object Reader object
  */
  private function getFeed($feed) {
  $reader = new Reader;
  $d = \FreePBX::Dashboard();
  $etag = $d->getConfig($feed, "etag");
  $last_modified = $d->getConfig($feed, "last_modified");
  try {
  $resource = $reader->download($feed, $last_modified, $etag);
  if ($resource->isModified()) {

$parser = $reader->getParser(
$resource->getUrl(),
$resource->getContent(),
$resource->getEncoding()
);

$content = $parser->execute();
$etag = $resource->getEtag();
$last_modified = $resource->getLastModified();

$d->setConfig($feed, $content, "content");
$d->setConfig($feed, $etag, "etag");
$d->setConfig($feed, $last_modified, "last_modified");
Arguments
"Class 'PicoFeed\Reader\Reader' not found"
Environment & details:
GET Data empty
POST Data empty
Files empty
Cookies
lang
"en_US"
PHPSESSID
"5lol1857cttk8qlicqjphqvjr1"
Session
langdirection
"ltr"
module_name
""
module_page
""
AMP_user
ampuser {}
Server/Request Data
UNIQUE_ID
"W@Pnc3dBuQuyu9r9OHZnggAAAAA"
SCRIPT_URL
"/admin/config.php"
SCRIPT_URI
"http://192.168.188.55/admin/config.php"
HTACCESS
"on"
HTTP_HOST
"192.168.188.55"
HTTP_CONNECTION
"keep-alive"
HTTP_UPGRADE_INSECURE_REQUESTS
"1"
HTTP_USER_AGENT
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36"
HTTP_ACCEPT
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,/;q=0.8"
HTTP_ACCEPT_ENCODING
"gzip, deflate"
HTTP_ACCEPT_LANGUAGE
"en-US,en;q=0.9,en-AU;q=0.8"
HTTP_COOKIE
"lang=en_US; PHPSESSID=5lol1857cttk8qlicqjphqvjr1"
PATH
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin"
SERVER_SIGNATURE
""
SERVER_SOFTWARE
"Apache/2.4.6 (Sangoma) OpenSSL/1.0.2k-fips PHP/5.6.36"
SERVER_NAME
"192.168.188.55"
SERVER_ADDR
"192.168.188.55"
SERVER_PORT
"80"
REMOTE_ADDR
"192.168.188.28"
DOCUMENT_ROOT
"/var/www/html"
REQUEST_SCHEME
"http"
CONTEXT_PREFIX
""
CONTEXT_DOCUMENT_ROOT
"/var/www/html"
SERVER_ADMIN
"root@sangoma.localhost"
SCRIPT_FILENAME
"/var/www/html/admin/config.php"
REMOTE_PORT
"57039"
GATEWAY_INTERFACE
"CGI/1.1"
SERVER_PROTOCOL
"HTTP/1.1"
REQUEST_METHOD
"GET"
QUERY_STRING
""
REQUEST_URI
"/admin/config.php"
SCRIPT_NAME
"/admin/config.php"
PHP_SELF
"/admin/config.php"
REQUEST_TIME_FLOAT
1541662579.586
REQUEST_TIME
1541662579
Environment Variables empty
Registered Handlers
0. Whoops\Handler\PrettyPageHandler