After adding a new node to the cluster, the previously added nodes now have a status of "waiting on analytics".
Checking the version of the new node in the admin UI, the version of the newly added node is higher than the older nodes.
Aria Operations 8.18.X
If there are snapshots present from before this action, revert to these snapshots.
If no snapshots are present contact Broadcom support and provide a link to this KB.
This issue will be resolved in a future release and will no longer be possible to add a node to the cluster with a higher build version that the existing nodes