In case of assignment of cat. SP, process cat. &1 must be created first

What causes this issue?

You want to assign category <LS>VP</> to the process category.
Before you can do this, you have to create the multilevel process
categories.

System Response

The system found that the multilevel process category &V1& has not yet
been created.

How to fix this error?

Create process category &V1&.

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.