Getting warnings about shards

Elastic Stack Elasticsearch
1

Hi there.
Can you help me to understand what these messages mean?
i have some problem with shards

 [2015-09-11 03:11:11,746][WARN ][cluster.action.shard     ] [master] [logstash-2015.09.11][0] received shard failed for [logstash-2015.09.11][0], node[jyrLu7mNQBKSVnVhAxnBFQ], [R], s[STARTED], indexUUID [sawdW9STTfS0WxLdrUnbpA], reason [shard failure [engine failure, reason [indices:data/write/bulk[s] failed on replica]][MapperParsingException[failed to parse [provider_tx_id]]; nested: NumberFormatException[For input string: "AF35AA091D5653A36BF9ADF90841DCED"]; ]]
    [2015-09-11 03:11:11,748][WARN ][cluster.action.shard     ] [master] [logstash-2015.09.11][0] received shard failed for [logstash-2015.09.11][0], node[jyrLu7mNQBKSVnVhAxnBFQ], [R], s[STARTED], indexUUID [sawdW9STTfS0WxLdrUnbpA], reason [Failed to perform [indices:data/write/bulk[s]] on replica, message [RemoteTransportException[[data4][inet[/192.168.198.214:9300]][indices:data/write/bulk[s][r]]]; nested: MapperParsingException[failed to parse [provider_tx_id]]; nested: NumberFormatException[For input string: "AF35AA091D5653A36BF9ADF90841DCED"]; ]]
    [2015-09-11 03:11:11,762][WARN ][cluster.action.shard     ] [master] [logstash-2015.09.11][2] received shard failed for [logstash-2015.09.11][2], node[mHZaE0aCSQ2lOLzV0AEn-w], [R], s[INITIALIZING], unassigned_info[[reason=ALLOCATION_FAILED], at[2015-09-11T00:11:10.710Z], details[shard failure [engine failure, reason [indices:data/write/bulk[s] failed on replica]][MapperParsingException[failed to parse [provider_tx_id]]; nested: NumberFormatException[For input string: "5B97B501684150F63CCA4ADCE15427D3"]; ]]], indexUUID [sawdW9STTfS0WxLdrUnbpA], reason [Failed to perform [indices:data/write/bulk[s]] on replica, message [RemoteTransportException[[data5][inet[/192.168.198.215:9300]][indices:data/write/bulk[s][r]]]; nested: MapperParsingException[failed to parse [provider_tx_id]]; nested: NumberFormatException[For input string: "AF35AA091D5653A36BF9ADF90841DCED"]; ]]
    [2015-09-11 03:11:11,771][WARN ][cluster.action.shard     ] [master] [logstash-2015.09.11][2] received shard failed for [logstash-2015.09.11][2], node[mHZaE0aCSQ2lOLzV0AEn-w], [R], s[INITIALIZING], unassigned_info[[reason=ALLOCATION_FAILED], at[2015-09-11T00:11:10.710Z], details[shard failure [engine failure, reason [indices:data/write/bulk[s] failed on replica]][MapperParsingException[failed to parse [provider_tx_id]]; nested: NumberFormatException[For input string: "5B97B501684150F63CCA4ADCE15427D3"]; ]]], indexUUID [sawdW9STTfS0WxLdrUnbpA], reason [shard failure [failed recovery][RecoveryFailedException[[logstash-2015.09.11][2]: Recovery failed from [data6][NC2z-jpoSh6uGbllA4fGcQ][logstash-node6][inet[/192.168.198.216:9300]]{master=false} into [data5][mHZaE0aCSQ2lOLzV0AEn-w][logstash-node5][inet[/192.168.198.215:9300]]{master=false}]; nested: RemoteTransportException[[data6][inet[/192.168.198.216:9300]][internal:index/shard/recovery/start_recovery]]; nested: RecoveryEngineException[[logstash-2015.09.11][2] Phase[2] Execution failed]; nested: RemoteTransportException[[data5][inet[/192.168.198.215:9300]][internal:index/shard/recovery/translog_ops]]; nested: MapperParsingException[failed to parse [provider_tx_id]]; nested: NumberFormatException[For input string: "5B97B501684150F63CCA4ADCE15427D3"]; ]]

and screenshot

2

You're trying to put data into that field that is not a number.

3

Can I trace somehow what is that data?