Since SME Server V8, you could have sometime an error is thrown by PHP and you will need to specify a temporary directory (e.g. upload_tmp_dir) which is not set in php.ini. see [[bugzilla:6650]] and [[bugzilla:7652]]. Many Php applications needs this setting, most of known are wordpress, roudcube, egroupware, etc. Symptoms are that you can't upload contents to the PHP application.
+
+
An easy way is to make a Custom Template to resolve this issue.