couchbase index is not creating

problem is occurred new index are not created show the error message [ { "code": 5000, "msg": "GSI CreatePrimaryIndex() - cause: Create index or Alter replica cannot proceed due to rebalance in progress, another concurrent create index request, network partition, node failover, indexer failure, or presence of duplicate index name.", "query": "CREATE PRIMARY INDEX customer_requests_indx ON customer_requests\n" } ]