[Request] ** [http://172.16.15.153:9200]-[400] [mapper_parsing_exception] failed to parse, called from sub Search::Elasticsearch::Role::Client::Direct::__ANON__ at ./complex_regex_bkp.pl line 93. With vars: {'body' => {'status' => 400,'error' => {'root_cause' => [{'reason' => 'failed to parse','type' => 'mapper_parsing_exception'}],'reason' => 'failed to parse','type' => 'mapper_parsing_exception','caused_by' => {'reason' => 'Mixing up field types: class org.elasticsearch.index.mapper.core.StringFieldMapper$StringFieldType != class org.elasticsearch.index.mapper.internal.IndexFieldMapper$IndexFieldType on field _index','type' => 'illegal_state_exception'}}},'request' => {'serialize' => 'std','path' => '/my_app/blog_post/1','ignore' => [],'mime_type' => 'application/json','body' => {'_source' => {'sheets' => {'sheet1' => {'Sheet_Name' => 'Ex-Sheet','forumle' => [{'1' => {'colName' => 'Ex-Col1','formula' => '{"query":{"constant_score":{"filter":{"bool":{"should":[{"bool":{"must":[{"term":{"column08":"Submit"}},{"term":{"column10":"Delivered"}},{"term":{"column09":"Something"}}]}},{"bool":{"must":[{"term":{"column08":"Delivered"}},{"term":{"column09":"Something"}}]}}]}}}}}','total' => 'false'},'0' => {'colName' => 'Ex-Col1','formula' => '{"query":{"constant_score":{"filter":{"bool":{"should":[{"bool":{"must":[{"term":{"column08":"Submit"}},{"term":{"column10":"Delivered"}},{"term":{"column09":"Something"}}]}},{"bool":{"must":[{"term":{"column08":"Delivered"}},{"term":{"column09":"Something"}}]}},{"bool":{"must":[{"term":{"column08":"Submit"}},{"term":{"column10":"Delivered"}},{"term":{"column09":"Something"}}]}},{"bool":{"must":[{"term":{"column08":"Delivered"}},{"term":{"column09":"Something"}}]}}]}}}}}','total' => 'false'},'2' => {'colName' => 'Ex-Col1','formula' => '{"query":{"constant_score":{"filter":{"bool":{"must":[{"term":{"column08":"Submit"}},{"term":{"column10":"Delivered"}},{"term":{"column09":"Something"}}]}}}}}','total' => 'false'}}]}}},'_index' => 'testing','_id' => '2','_type' => 'mytype','found' => bless( do{\(my $o = 1)}, 'JSON::XS::Boolean' ),'_version' => 20},'qs' => {},'method' => 'POST'},'status_code' => 400}