HWN024111W Recommendations cannot be generated to move number_of_volumes volumes from tier source_tier to tier target_tier_number because there is no potential destination pool assigned to the recommended tier.
Explanation
There must be at least one potential destination pool assigned to the recommended tier in order to try a placement analysis.
Action
Select at least one pool assigned to this recommended tier, as potential destination, when you run the Analyze Tiering wizard.