ُElasticsearch mapping error

I'm trying to create the mapping for a new index and get this error, anyone can help me to fix it?

{"error":{"root_cause":[{"type":"mapper_parsing_exception","reason":"Mapping definition for [display_order] has unsupported parameters: [analyzer : text_analyzed_ar]"}],"type":"mapper_parsing_exception","reason":"Failed to parse mapping [_doc]: Mapping definition for [display_order] has unsupported parameters: [analyzer : text_analyzed_ar]","caused_by":{"type":"mapper_parsing_exception","reason":"Mapping definition for [display_order] has unsupported parameters: [analyzer : text_analyzed_ar]"}},"status":400}