unable to create 2i primary index

I have 1 node with index\n1ql\data services

cbq> create primary index on default using gsi;
{
"requestID": "e5ea4a9d-ee7a-4528-85fd-9351125d24bd",
"signature": null,
"results": [
],
"errors": [

{ "code": 5000, "msg": "GSI CreatePrimaryIndex() - cause: Fails to create index. Cannot find available node for new index" }

],
"status": "errors",
"metrics":

{ "elapsedTime": "2.349805ms", "executionTime": "2.231219ms", "resultCount": 0, "resultSize": 0, "errorCount": 1 }

}

cbq>