Answered File manager in the manager

'files_upload_error0'

case 0: //no error; possible file attack!
				$msg .=  $_lang['files_upload_error0'];
				break;
			case 1: //uploaded file exceeds the upload_max_filesize directive in php.ini
				$msg .=  $_lang['files_upload_error1'];
				break;
			case 2: //uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the html form
				$msg .=  $_lang['files_upload_error2'];
				break;
			case 3: //uploaded file was only partially uploaded
				$msg .=  $_lang['files_upload_error3'];
				break;
			case 4: //no file was uploaded
				$msg .=  $_lang['files_upload_error4'];
				break;
			default: //a default error, just in case!  :)
				$msg .=  $_lang['files_upload_error5'];
				break;