Error: An unknown N1QL error occured. This is usually related to an out-of-memory condition. Check the errors responseBody property or inspect the cluster logs for further details.

```
var couchbase = require('couchbase');
var cluster = new couchbase.Cluster('couchbase://xxxxxxxxx',

{     // expiry: 30000, }

);
// For Couchbase > 4.5 with RBAC Auth
cluster.authenticate('xxxxxxx', 'xxxxxxxxxx');
var bucket = cluster.openBucket('xxxxxx');

let n1ql = couchbase.N1qlQuery;

let req = bucket.query(n1ql.fromString(`INSERT INTO wayship (KEY, VALUE) VALUES ($1, $2)`, ['test', 'asdfa']));
req.on('data', function()

{     debugger; })

req.on('error', function() {     debugger; }

)
```