Hi,
I have restored ElaticSearch snapsot that been managed by another person, I get the followng error when it comes to kibana dashboards
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 [Ligne] in order to load field data by uninverting the inverted index. Note that this can use significant memory.
I understood it should be Ligne.keyword instead of Ligne, but te question for me how it is possible it was working fine before?
Finally when I change Ligne to Ligne.keyword I am getting:
Can't get text on a VALUE_NULL at 1:793
I am on the same version as before 7.16.3
Many thanks for your help