Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /local/web_upct/new_web/dept/grupos_investigacion_json.php:47 Stack trace: #0 /local/web_upct/new_web/dept/inagro/grupos.php(145): include() #1 {main} thrown in /local/web_upct/new_web/dept/grupos_investigacion_json.php on line 47