Error message

• Notice: Undefined property: stdClass::$field_intro in include() (line 7 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 7 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 7 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 7 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Undefined property: stdClass::$body in include() (line 8 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 8 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 8 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Notice: Trying to access array offset on value of type null in include() (line 8 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/sites/all/modules/bachkhoa_cate/templates/detail.tpl.php).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home/ctct/domains/ctct.hcmut.edu.vn/public_html/includes/common.inc).