while select an image the file object comes with error and the mime type was "application/octet-stream" size is 0 but actual size is 30kb laravel

"file" => UploadedFile {#911

-test: false
-originalName: "smalllogo.png"
-mimeType: "application/octet-stream"
-size: 0
-error: 6
#hashName: null
path: ""
filename: ""
basename: ""
pathname: ""
extension: ""
realPath: "/var/www/html/apartshub"
aTime: 1970-01-01 00:00:00
mTime: 1970-01-01 00:00:00
cTime: 1970-01-01 00:00:00
inode: false
size: false
perms: 00
owner: false
group: false
type: false
writable: false
readable: false
executable: false
file: false
dir: false
link: false

}

when select an image and dd($request->file('file)) returns this i tried changes in php.ini file max_image_upload.but it works when i put this project into another server.php v 7.0,laravel 5.6

via Chebli Mohamed