Failed to parse indices privileges for role unexpected field – How to solve this Elasticsearch exception

Log Context

Log “failed to parse indices privileges for role [{}]. unexpected field [{}]” class name is RoleDescriptor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else {
 throw new ElasticsearchParseException("failed to parse transient metadata for role [{}]. expected {} but got {}" +
 " in \"{}\"".""; roleName; XContentParser.Token.START_OBJECT; token; Fields.TRANSIENT_METADATA);