Fatal error: Uncaught EasyRdf\Http\Exception: HTTP request for SPARQL query failed in /app/vendor/easyrdf/easyrdf/lib/Sparql/Client.php:247
Stack trace:
#0 /app/vendor/easyrdf/easyrdf/lib/Sparql/Client.php(128): EasyRdf\Sparql\Client->request()
#1 /app/model/sparql/GenericSparql.php(93): EasyRdf\Sparql\Client->query()
#2 /app/model/sparql/GenericSparql.php(2339): GenericSparql->query()
#3 /app/model/Vocabulary.php(665): GenericSparql->queryChangeList()
#4 /app/controller/WebController.php(610): Vocabulary->getChangeList()
#5 /app/controller/WebController.php(582): WebController->getChangeList()
#6 /app/index.php(95): WebController->invokeChangeList()
#7 {main}
thrown in /app/vendor/easyrdf/easyrdf/lib/Sparql/Client.php on line 247