[Joomla] mod_latestnewsplusdate 모듈에서 "Trying to get property of non-object in.." 발생 시

[Sat Jul 15 00:06:33.365896 2017] [proxy_fcgi:error] [pid 16240:tid 140132116043520] [client 54.64.181.150:34532] AH01071: Got error 'PHP message: PHP Notice:  Trying to get property of non-object in .../modules/mod_latestnewsplusdate/mod_latestnewsplusdate.php on line 58\nPHP message: PHP Notice:  Trying to get property of non-object in .../modules/mod_latestnewsplusdate/mod_latestnewsplusdate.php on line 59\n'

 56                         /* The code lines bellow are added to support intro and fulltext image in article parameter - schro added 13/1    1/2012 */
 57                         $images = json_decode($item->images);
 58                         $introImage = htmlspecialchars( $images->image_intro );
 59                         $fulltextImage = htmlspecialchars( $images->image_fulltext );