09:38:56.270 [Thread-100905] ERROR c.l.d.g.e.DataHubDataFetcherExceptionHandler:21 - Failed to execute DataFetcher
    at org.elasticsearch.rest.BytesRestResponse.errorFromXContent(BytesRestResponse.java:187)
{"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"Text fields are not optimised for operations that require p
er-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field inst
ead. Alternatively, set fielddata=true on [browserId] in order to load field data by uninverting the inverted index. Note that thi
s can use significant memory."}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":
true,"failed_shards":[{"shard":0,"index":"datahub_usage_event","node":"IBaTkftmTbWZVJdhvN7ZPw","reason":{"type":"illegal_argument_
exception","reason":"Text fields are not optimised for operations that require per-document field data like aggregations and sorti
ng, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [browser
Id] in order to load field data by uninverting the inverted index. Note that this can use significant memory."}}],"caused_by":{"ty
pe":"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 fiel
ddata=true on [browserId] 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-docume
nt field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alte
rnatively, set fielddata=true on [browserId] in order to load field data by uninverting the inverted index. Note that this can use
 significant memory."}}},"status":400}
    at org.elasticsearch.rest.BytesRestResponse.errorFromXContent(BytesRestResponse.java:179)
09:38:56.271 [Thread-100906] ERROR c.datahub.graphql.GraphQLController:94 - Errors while executing graphQL query: "query getAnalyt
icsCharts {\n  getAnalyticsCharts {\n    groupId\n    title\n    charts {\n      ...analyticsChart\n      __typename\n    }\n    _
_typename\n  }\n}\n\nfragment analyticsChart on AnalyticsChart {\n  ... on TimeSeriesChart {\n    title\n    lines {\n      name\n
      data {\n        x\n        y\n        __typename\n      }\n      __typename\n    }\n    dateRange {\n      start\n      end\
n      __typename\n    }\n    interval\n    __typename\n  }\n  ... on BarChart {\n    title\n    bars {\n      name\n      segment
s {\n        label\n        value\n        __typename\n      }\n      __typename\n    }\n    __typename\n  }\n  ... on TableChart
{\n    title\n    columns\n    rows {\n      values\n      cells {\n        value\n        linkParams {\n          searchParams {\
n            types\n            query\n            filters {\n              field\n              value\n              __typename\n
            }\n            __typename\n          }\n          entityProfileParams {\n            urn\n            type\n
  __typename\n          }\n          __typename\n        }\n        __typename\n      }\n      __typename\n    }\n    __typename\n
  }\n  __typename\n}\n", result: {errors=[{message=An unknown error occurred., locations=[{line=2, column=3}], path=[getAnalyticsC
harts], extensions={code=500, type=SERVER_ERROR, classification=DataFetchingException}}], data=null}, errors: [DataHubGraphQLError
{path=[getAnalyticsCharts], code=SERVER_ERROR, locations=[SourceLocation{line=2, column=3}]}]
09:38:56.271 [Thread-100905] ERROR c.datahub.graphql.GraphQLController:94 - Errors while executing graphQL query: "query getHighli
ghts {\n  getHighlights {\n    value\n    title\n    body\n    __typename\n  }\n}\n", result: {errors=[{message=An unknown error o
ccurred., locations=[{line=2, column=3}], path=[getHighlights], extensions={code=500, type=SERVER_ERROR, classification=DataFetchi
ngException}}], data=null}, errors: [DataHubGraphQLError{path=[getHighlights], code=SERVER_ERROR, locations=[SourceLocation{line=2
, column=3}]}]