I recently imported a saved object into the kibana, but some of the visualizations are working fine but some of them are throwing the above error. I see that there are few posts on thsi topic but i having trouble finding the path to fix it or atleast figuring out what is causing this.
So far, i exported the saved object file and tried to find the index field in that file. It seems that all the index fields have same value and still some of them are failing while others are passing. So i guess index filed does not look like be the issue here.
The index pattern's field list does not include a field referenced by the Viz
...possibly others
Handling of relationships in Saved Objects is a bit error prone before Kibana 7.0, but we might be able to get some more information from your browser's dev tools. Can you open the Network tab in the browser dev tools and look for the request that failed? In the "preview" tab for the request you may be able to find a list of missing fields from the index pattern.
In general, it may be a good idea to refresh the index pattern itself by going to Management > Index Patterns, find the one you're working with and clicking the "Refresh" icon in the top right.
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