Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, Timber\Post given in /homepages/17/d906989849/htdocs/site-web-caps/wp-content/themes/theme-caps/services/Person.php:90 Stack trace: #0 /homepages/17/d906989849/htdocs/site-web-caps/wp-content/themes/theme-caps/services/Person.php(90): array_key_exists('persons', Object(Timber\Post)) #1 /homepages/17/d906989849/htdocs/site-web-caps/wp-content/themes/theme-caps/single-capitalisations.php(34): Services\Person::listPersonByStructure(Array) #2 /homepages/17/d906989849/htdocs/site-web-caps/wp-includes/template-loader.php(106): include('/homepages/17/d...') #3 /homepages/17/d906989849/htdocs/site-web-caps/wp-blog-header.php(19): require_once('/homepages/17/d...') #4 /homepages/17/d906989849/htdocs/site-web-caps/index.php(17): require('/homepages/17/d...') #5 {main} thrown in /homepages/17/d906989849/htdocs/site-web-caps/wp-content/themes/theme-caps/services/Person.php on line 90