2671662 - Error: "At least one Hierarchy missing" While Deleting an Account Hierarchy

When you try to delete Account Hierarchy Node, below error message appears:

At least one Hierarchy missing

1. Go to Account Management workcenter.
2. Select the Account Hierarchy Node.
3. Select Edit option.
4. Select the Node.
5. Select Edit and Delete the node.
6. When you select Save, above error message appears.

This error occurs when you try and delete the Parent Account Hierarchy Node. Deletion of Parent Account Hierarchy Node is not possible.
You can only delete Child Nodes under Parent Account Hierarchy Node.

This is standard system behavior.

Delete Account Hierarchy , KBA , at least one hierarchy missing , SRD-CRM-ACC , Account Management , Problem