질문을 하시기 전 "망보드 유용한팁" 게시판과 "망보드 강의" 게시판 검색을 통해 해결하지 못한 내용만 

아래의 양식을 참고하셔서 답변자가 이해할 수 있도록 최대한 자세히 작성해 주시기 바랍니다.

[질문 양식]

1. 질문 검색 키워드 : COUNT() 에러

   - 다른 분들이 쉽게 찾을 수 있도록 질문에 대한 키워드를 작성해 주세요

     예) COUNT() 에러

2. 질문 내용 : 

   - PHP8 버전에서 망보드 글읽기하면 아래와 같은 오류를 뱉습니다.

오류코드

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /var/www/vhosts/idoopress.com/httpdocs/wp-includes/formatting.php:3426 Stack trace: #0 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/class-wp-hook.php(308): convert_smilies() #1 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/plugin.php(205): WP_Hook->apply_filters() #2 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/post-template.php(255): apply_filters() #3 /var/www/vhosts/idoopress.com/httpdocs/wp-content/themes/gnucommerce-2020-summer/template-parts/content-page.php(48): the_content() #4 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/template.php(785): require('...') #5 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/template.php(718): load_template() #6 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/general-template.php(204): locate_template() #7 /var/www/vhosts/idoopress.com/httpdocs/wp-content/themes/gnucommerce-2020-summer/page.php(20): get_template_part() #8 /var/www/vhosts/idoopress.com/httpdocs/wp-includes/template-loader.php(106): include('...') #9 /var/www/vhosts/idoopress.com/httpdocs/wp-blog-header.php(19): require_once('...') #10 /var/www/vhosts/idoopress.com/httpdocs/index.php(17): require('...') #11 {main} thrown in /var/www/vhosts/idoopress.com/httpdocs/wp-includes/formatting.php on line 3426