A business network card has not been specified

[rijojani]

{
"error": {
"statusCode": 500,
"name": "Error",
"message": "A business network card has not been specified",
"stack": "Error: A business network card has not been specified\n at BusinessNetworkConnector.getConnectionWrapper (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-connector-composer/lib/businessnetworkconnector.js:91:23)\n at BusinessNetworkConnector.ensureConnected (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-connector-composer/lib/businessnetworkconnector.js:130:21)\n at BusinessNetworkConnector.all (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-connector-composer/lib/businessnetworkconnector.js:281:21)\n at invokeConnectorMethod (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/dao.js:171:21)\n at /home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/dao.js:2135:7\n at doNotify (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:155:49)\n at doNotify (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:155:49)\n at doNotify (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:155:49)\n at doNotify (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:155:49)\n at Function.ObserverMixin._notifyBaseObservers (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:178:5)\n at Function.ObserverMixin.notifyObserversOf (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:153:8)\n at Function.ObserverMixin._notifyBaseObservers (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:176:15)\n at Function.ObserverMixin.notifyObserversOf (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:153:8)\n at Function.ObserverMixin._notifyBaseObservers (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:176:15)\n at Function.ObserverMixin.notifyObserversOf (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:153:8)\n at Function.ObserverMixin._notifyBaseObservers (/home/adventum/.nvm/versions/node/v8.17.0/lib/node_modules/composer-rest-server/node_modules/loopback-datasource-juggler/lib/observer.js:176:15)"
}
}