Cannot read properties of undefined (reading 'statusCode')

Hello everyone
currently iam using kibana 7.6.1..i have a index with more than 4k fields and what i need to do is to refresh field list regarding our developer created new fields ..when i do that it takes long time and kibana throw an error: Cannot read properties of undefined (reading 'statusCode').
it should be consider that i have set the limit number of fields in my template already.
this is the full error:

TypeError: Cannot read properties of undefined (reading 'statusCode')

Hi @Mohammad.ali ,

welcome to the Kibana community.
In which application are you having that error? Management, Discover, something else?

Hello @Marco_Liberati
thanks for your warm welcome

well when i hit refresh field in index pattern in kibana i got this error.....Please consider i have more than 4k fields in my index

I found this issue which looks pretty close to your case:

In newer version of Kibana (> 7.11.0) the field list is no longer manually refreshed and various fixes have been deployed to improve user's experience, but having a very large number ( tens of thousands) of fields seems to still be an open issue, so for your tracking this the also the ES issue about that:

Thanks it seems that my current kibana version has issue with large number of index fields.
i need to upgrade kibana.

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