SAP Message 1F123 - Account &1 / &2 being closed before the "valid to" date of the hierarchy

Procedure
To include the account in the hierarchy until the time of accountclosure, proceed as follows:
Set the "Valid to" date of the hierarchy to the date of the accountclosure (Hierarchy -> Change interval).
Create a new hierarchy. To do this, use the hierarchy changed above tocopy from.
- "Valid from" - one day after account closure
- "Valid to" - old date of the original hierarchy
Delete the appropriate account from the new hierarchy or reassignaccounts as necessary.