Field type does not accept multi-fields – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.8-7.8

Briefly, this error occurs when you try to add multi-fields to a field type that does not support it in Elasticsearch. Not all field types accept multi-fields. For instance, you cannot add multi-fields to a geo_point or an object field type. To resolve this issue, you can either change the field type to one that supports multi-fields, such as text or keyword, or remove the multi-fields from the field type that does not support it.

This guide will help you check for common problems that cause the log ” [{}] field type does not accept multi-fields ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, plugin.

Log Context

Log “[{}] field type does not accept multi-fields” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 // if the mapping contains multi-fields then throw an error?
 if (multiFields.iterator().hasNext()) {
 throw new ElasticsearchParseException("[{}] field type does not accept multi-fields"; CONTENT_TYPE);
 }  @Override
 public void parse(ParseContext context) throws IOException {


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