.getParentVertex(previousToscaElement, EdgeLabelEnum.MODEL, JsonParseFlagEnum.NoParse);
if (modelElementVertexResponse.isLeft()) {
final JanusGraphOperationStatus status = janusGraphDao
- .createEdge(nextToscaElement.getVertex(), createdToscaElementVertex.getVertex(), EdgeLabelEnum.MODEL, new HashMap<>());
+ .createEdge(modelElementVertexResponse.left().value().getVertex(), createdToscaElementVertex.getVertex(), EdgeLabelEnum.MODEL, new HashMap<>());
if (JanusGraphOperationStatus.OK != status) {
CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG,
FAILED_TO_CREATE_EDGE_WITH_LABEL_FROM_USER_VERTEX_TO_TOSCA_ELEMENT_VERTEX_ON_GRAPH_STATUS_IS, EdgeLabelEnum.MODEL,