Folder &1 does not exist any more

What causes this issue?

Folder &V1& does not exist any more. It has been deleted in another work
process.

System Response

The folder display is automatically updated by the system.

How to fix this error?

Check whether you want to perform any further actions on the updated
folder tree.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.