I am upgrading Elasticsearch from version 7.17 to 8.6.2 in ECE , and it gives this error: plan change failed: some instances were not running.
I have used the upgrade wizard and everything was correct to perform the upgrade.
The zip, I have downloaded it from the official page and I have followed the procedure of the official documentation to do the upgrade.
Image with details:
Could you tell me what is happening?
Thank you so much