Warning: Attempt to read property "ID" on bool in /var/www/html/public/wp-content/themes/ppgll/tpl/pages/content-archive-research_group.php on line 45

Warning: Attempt to read property "term_id" on bool in /var/www/html/public/wp-content/themes/ppgll/tpl/pages/content-archive-research_group.php on line 50

Warning: Attempt to read property "ID" on bool in /var/www/html/public/wp-content/themes/ppgll/tpl/pages/content-archive-research_group.php on line 50

Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /var/www/html/public/wp-content/themes/ppgll/tpl/pages/content-archive-research_group.php:50 Stack trace: #0 /var/www/html/public/wp-content/themes/ppgll/tpl/pages/content-archive-research_group.php(50): array_push(NULL, '<article class=...') #1 /var/www/html/public/wp-includes/template.php(812): require('/var/www/html/p...') #2 /var/www/html/public/wp-includes/template.php(745): load_template('/var/www/html/p...', false, Array) #3 /var/www/html/public/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #4 /var/www/html/public/wp-content/themes/ppgll/archive.php(26): get_template_part('tpl/pages/conte...', 'research_group') #5 /var/www/html/public/wp-includes/template-loader.php(106): include('/var/www/html/p...') #6 /var/www/html/public/wp-blog-header.php(19): require_once('/var/www/html/p...') #7 /var/www/html/public/index.php(17): require('/var/www/html/p...') #8 {main} thrown in /var/www/html/public/wp-content/themes/ppgll/tpl/pages/content-archive-research_group.php on line 50