Warning: file_get_contents(https://zenodo.org/api/records/6807550): Failed to open stream: HTTP request failed! HTTP/1.1 403 Forbidden in /var/www/tthub.io/html/presentacion.php on line 5

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 14

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 15

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 15

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 16

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 16

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 20

Warning: foreach() argument must be of type array|object, null given in /var/www/tthub.io/html/presentacion.php on line 20

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 37

Warning: Trying to access array offset on null in /var/www/tthub.io/html/presentacion.php on line 37

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/tthub.io/html/presentacion.php:37 Stack trace: #0 /var/www/tthub.io/html/presentaciones.php(7): include_once() #1 /var/www/tthub.io/html/aprende.php(34): include_once('...') #2 /var/www/tthub.io/html/index.php(70): include_once('...') #3 {main} thrown in /var/www/tthub.io/html/presentacion.php on line 37