If you are asking about a problem you are experiencing, please use the following template, as it will help us help you. If you have a different problem, please delete all of this text 
TIP 1: select at least one tag that further categorizes your topic. For example server for APM Server related questions, java for questions regarding the Elastic APM Java agent, or ui for questions about the APM App within Kibana.
TIP 2: Check out the troubleshooting guide first. Not only will it help you to resolve common problems faster but it also explains in more detail which information we need before we can properly help you.
Kibana version: 7.10.2
Elasticsearch version: 7.10.2
APM Server version: 7.10.2
APM Agent language and version: java 1.20.0
Browser version: Google Chrome 88.0.4324.182 (Build officiel) (x86_64)
Original install method (e.g. download page, yum, deb, from source, etc.) and version: docker
Fresh install or upgraded from other version?
Is there anything special in your setup? I'have not change anything
Description of the problem including expected versus actual behavior. Please include screenshots
(if relevant): I got this error in Observability An error happened when trying to fetch data. Please try again
Steps to reproduce:
1.
2.
3.
Errors in browser console (if relevant):
{"type":"log","@timestamp":"2021-02-21T06:47:20Z","tags":["error","http"],"pid":7,"message":"{ Error: [illegal_argument_exception] Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [service.name] in order to load field data by uninverting the inverted index. Note that this can use significant memory.\n at respond (/usr/share/kibana/node_modules/elasticsearch/src/lib/transport.js:349:15)\n at checkRespForFailure (/usr/share/kibana/node_modules/elasticsearch/src/lib/transport.js:306:7)\n at HttpConnector.<anonymous> (/usr/share/kibana/node_modules/elasticsearch/src/lib/connectors/http.js:173:7)\n at IncomingMessage.wrapper (/usr/share/kibana/node_modules/lodash/lodash.js:4949:19)\n at IncomingMessage.emit (events.js:203:15)\n at endReadableNT (_stream_readable.js:1145:12)\n at process._tickCallback (internal/process/next_tick.js:63:19)\n status: 400,\n displayName: 'BadRequest',\n message:\n '[illegal_argument_exception] Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [service.name] in order to load field data by uninverting the inverted index. Note that this can use significant memory.',\n path: '/apm-*%2Capm-*%2Capm-*/_search',\n query: { ignore_throttled: true },\n body:\n { error:\n { root_cause: [Array],\n type: 'search_phase_execution_exception',\n reason: 'all shards failed',\n phase: 'query',\n grouped: true,\n failed_shards: [Array],\n caused_by: [Object] },\n status: 400 },\n statusCode: 400,\n response:\n '{\"error\":{\"root_cause\":[{\"type\":\"illegal_argument_exception\",\"reason\":\"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [service.name] in order to load field data by uninverting the inverted index. Note that this can use significant memory.\"}],\"type\":\"search_phase_execution_exception\",\"reason\":\"all shards failed\",\"phase\":\"query\",\"grouped\":true,\"failed_shards\":[{\"shard\":0,\"index\":\"apm-7.10.2\",\"node\":\"iFgmSRLISUu8nAucOcx1Iw\",\"reason\":{\"type\":\"illegal_argument_exception\",\"reason\":\"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [service.name] in order to load field data by uninverting the inverted index. Note that this can use significant memory.\"}}],\"caused_by\":{\"type\":\"illegal_argument_exception\",\"reason\":\"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [service.name] in order to load field data by uninverting the inverted index. Note that this can use significant memory.\",\"caused_by\":{\"type\":\"illegal_argument_exception\",\"reason\":\"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [service.name] in order to load field data by uninverting the inverted index. Note that this can use significant memory.\"}}},\"status\":400}',\n toString: [Function],\n toJSON: [Function] }"}
Provide logs and/or server output (if relevant):
