Ah I found this in the documentation for 4.1 (I'm running 4.1.0)
The IF [NOT] EXISTS syntax for constraints is only available in Neo4j 4.1.3 and onwards.
I am getting the same error.
From reading that documentation it does seem like most constraints are limited to enterprise edition but not this "unique node property constraint". So this query should work in community edition?
Also, even if it was lim...