with my understanding of your question:
you want to add a new node to the same relationship that you created for two nodes.
but in neo4j it is not possible because a relationship can be only linked to one or two nodes not more than that.
so if (a)-[:...
Hey I had similar issue with project icon. But in my case i can access it by clicking on the empty space where the project tab actually should be visible. So try for your case if it works
I had tried this in the movie database and here are my results:
-> Initially - 253 total db hits 76ms
-> after adding 44200 - 44229 total db hits 112ms
->deleted all 44200 nodes
-> Finally - 29 total db hits 27ms