I’ve installed Piwik and everyting is working fine. but unable to do custome branding(logo) showing an error " Uploading files is not enabled in your PHP configuration. To upload your custom logo please set file_uploads=1 in php.ini and restart your webserver." More ever php file_upload is On and working. to confirm my website runs in joomla and file upload is working, only in piwik giving this error.
Kindly some help me to resolve this problem.