Replica mapper error

I am getting mapper [countCalls] of different type, current_type [long], merged_type [text]
It is happening always only! around midnight and the error shows it's replica problem TransportReplicationAction$PrimaryShardReference. There is no settings for mapping this field and I don't have any default mapping. The field is array ["name": value].

Any idea why?

Here is whole log:

[2019-11-11T00:02:51,566][DEBUG][o.e.a.b.TransportShardBulkAction] [xxx] [logstash-2019.11.10][0] failed to execute bulk item (index) index {[logstash-2019.11.10][_doc][pWKOV24BqMTbC P5UQ9uc], source[{xxxxxxxx, "countCalls":[["i",0]]}]} java.lang.IllegalArgumentException: mapper [countCalls] of different type, current_type [long], merged_type [text] at org.elasticsearch.index.mapper.FieldMapper.doMerge(FieldMapper.java:330) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.mapper.NumberFieldMapper.doMerge(NumberFieldMapper.java:1081) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.mapper.FieldMapper.merge(FieldMapper.java:317) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.mapper.FieldMapper.merge(FieldMapper.java:52) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.mapper.DocumentParser.createDynamicUpdate(DocumentParser.java:223) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.mapper.DocumentParser.parseDocument(DocumentParser.java:83) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:267) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:770) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShard.applyIndexOperation(IndexShard.java:747) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShard.applyIndexOperationOnPrimary(IndexShard.java:719) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.lambda$executeIndexRequestOnPrimary$3(TransportShardBulkAction.java:452) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeOnPrimaryWhileHandlingMappingUpdates(TransportShardBulkAction.java:475) ~[elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeIndexRequestOnPrimary(TransportShardBulkAction.java:450) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeBulkItemRequest(TransportShardBulkAction.java:218) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.performOnPrimary(TransportShardBulkAction.java:161) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.performOnPrimary(TransportShardBulkAction.java:153) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:141) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:79) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:1042) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:1020) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.ReplicationOperation.execute(ReplicationOperation.java:104) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.runWithPrimaryShardReference(TransportReplicationAction.java:422) [elasticsearch-7.1.1. jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.lambda$doRun$0(TransportReplicationAction.java:363) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:61) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShard.lambda$wrapPrimaryOperationPermitListener$14(IndexShard.java:2538) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:61) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShardOperationPermits.acquire(IndexShardOperationPermits.java:269) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShardOperationPermits.acquire(IndexShardOperationPermits.java:236) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.index.shard.IndexShard.acquirePrimaryOperationPermit(IndexShard.java:2513) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction.acquirePrimaryOperationPermit(TransportReplicationAction.java:979) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.doRun(TransportReplicationAction.java:359) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.1.1.jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryOperationTransportHandler.messageReceived(TransportReplicationAction.java:314) [elasticsearch-7.1.1 .jar:7.1.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryOperationTransportHandler.messageReceived(TransportReplicationAction.java:306) [elasticsearch-7.1.1 .jar:7.1.1] at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler$1.doRun(SecurityServerTransportInterceptor.java:251) [x-pack-security-7 .1.1.jar:7.1.1] at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.1.1.jar:7.1.1]