Find duplicated property in Neo4j

Today I got a critical problem with the duplicated property in Neo4j. We index that property to query for the node, and it is duplicated then give us the wrong node. Below is the Cypher use to find which node and which value of that property duplicated and how many time I found that Neo4j also support unique constraint but in Enterprise Edition only. Neo4j helps enforce data integrity with the use of constraints.