How to fix the issue Master node not identified during the Elk upgrade from 6.8 to 7.13.2

Elastic Stack Elasticsearch
1

Hello everyone, I need a help.
During the elastic migration from ELK 6.8 to 7.13.2
The problem that we are facing is that when the data is present cluster unique id is not present that's why it cannot connect.

IMG-20240316-WA0003
IMG-20240316-WA00031134×2016 396 KB

2

I don't understand what you're meaning.
What's the problem?

And why migrating to an obsolete version and not 7.17?

3

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