Problemas com FileManager e Laravel

Possuo um sistema feito em Laravel e estou tentando utilizar a biblioteca filemanager disponibilizada em https://github.com/simogeo/Filemanager , porem nao estou conseguindo exibir os meus arquivos contidos na pasta padrao, sempre recebendo como retorno o erro: "No Way.", meu arquivo de configuracao é:

{
"_comment": "IMPORTANT : go to the wiki page to know about options configuration https://github.com/simogeo/Filemanager/wiki/Filemanager-configuration-file",
"options": {
"culture": "en",
"lang": "php",
"defaultViewMode": "grid",
"autoload": true,
"showFullPath": false,
"showTitleAttr": false,
"browseOnly": false,
"showConfirmation": true,
"showThumbs": true,
"generateThumbnails": true,
"searchBox": true,
"listFiles": true,
"fileSorting": "default",
"chars_only_latin": true,
"dateFormat": "d M Y H:i",
"serverRoot": true,
"fileRoot": "/public/filemanager/userfiles/",
"relPath": false,
"logger": false,

 "capabilities": ["select", "download", "rename", "delete", "replace"],
 "plugins": []
 },
 "security": {
 "allowChangeExtensions": false,
 "allowNoExtension": false,
 "uploadPolicy": "DISALLOW_ALL",
 "uploadRestrictions": [
 "jpg",
 "jpeg",
 "gif",
 "png",
 "svg",
 "txt",
 "pdf",
 "odp",
 "ods",
 "odt",
 "rtf",
 "doc",
 "docx",
 "xls",
 "xlsx",
 "ppt",
 "pptx",
 "csv",
 "ogv",
 "mp4",
 "webm",
 "m4v",
 "ogg",
 "mp3",
 "wav"
 ]
 },
 "upload": {
 "overwrite": false,
 "imagesOnly": false,
 "fileSizeLimit": 16
 },
 "exclude": {
 "unallowed_files": [
 ".htaccess",
 "web.config"
 ],
 "unallowed_dirs": [
 "_thumbs",
 ".CDN_ACCESS_LOGS",
 "cloudservers"
 ],
 "unallowed_files_REGEXP": "/^\\./",
 "unallowed_dirs_REGEXP": "/^\\./"
 },
 "images": {
 "imagesExt": [
 "jpg",
 "jpeg",
 "gif",
 "png",
 "svg"
 ],
 "resize": {
 "enabled":true,
 "maxWidth": 1280,
 "maxHeight": 1024
 }
 },
 "videos": {
 "showVideoPlayer": true,
 "videosExt": [
 "ogv",
 "mp4",
 "webm",
 "m4v"
 ],
 "videosPlayerWidth": 400,
 "videosPlayerHeight": 222
 },
 "audios": {
 "showAudioPlayer": true,
 "audiosExt": [
 "ogg",
 "mp3",
 "wav"
 ]
 },
 "edit": {
 "enabled": false,
 "lineNumbers": true,
 "lineWrapping": true,
 "codeHighlight": false,
 "theme": "elegant",
 "editExt": [
 "txt",
 "csv"
 ]
 },
 "extras": {
 "extra_js": [],
 "extra_js_async": true
 },
 "icons": {
 "path": "images/fileicons/",
 "directory": "_Open.png",
 "default": "default.png"
 }
}