DEBUG: Cache is NOT active
DEBUG: oAuth Bearer Authentication Setting: https://www.talentdetection.com/api/v1/share/kclfUaUFKS7mniTvf3jE9w==
DEBUG: try to retieve this url: http://tronico/wp-content/plugins/json-content-importer/json/gutenbergblockexample1.json
DEBUG: wp_safe_remote_get to http://tronico/wp-content/plugins/json-content-importer/json/gutenbergblockexample1.json
DEBUG: arguments: Array ( [timeout] => 5 [sslverify] => [headers] => Array ( [Authorization] => Bearer https://www.talentdetection.com/api/v1/share/kclfUaUFKS7mniTvf3jE9w== ) [user-agent] => JCI WordPress-Plugin - free Version )
DEBUG: error getting URL:L’URL fournie n’est pas valide.
DEBUG: no data received: check url of json-feed

EMPTY api-answer: No JSON received - is the API down? Check the URL you use in the shortcode!