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Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /web/aae/dept/dev/wp-content/themes/uw-theme-child/seminar.php:236 Stack trace: #0 /web/aae/dept/dev/wp-content/themes/uw-theme-child/seminar.php(175): seminar_format() #1 /web/aae/dept/dev/wp-includes/template-loader.php(106): include('...') #2 /web/aae/dept/dev/wp-blog-header.php(19): require_once('...') #3 /web/aae/dept/dev/index.php(17): require('...') #4 {main} thrown in /web/aae/dept/dev/wp-content/themes/uw-theme-child/seminar.php on line 236