Fatal error: Uncaught GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to localhost port 7474: Connection refused (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) in /www/wwwroot/vgbaike/slightphp/plugins/neo4j/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:185 Stack trace: #0 /www/wwwroot/vgbaike/slightphp/plugins/neo4j/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(149): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp\Handler\EasyHandle), Array) #1 /www/wwwroot/vgbaike/slightphp/plugins/neo4j/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(102): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp\Handler\CurlMultiHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory)) #2 /www/wwwroot/vgbaike/slightphp/plugins/neo4j/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php(181): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp\Handler\CurlMultiHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHt in /www/wwwroot/vgbaike/slightphp/plugins/neo4j/vendor/php-http/guzzle6-adapter/src/Promise.php on line 121