Mandatory characteristic &2 is missing

What causes this issue?

The system cannot save the selected rows as long as they contain
missing entries. &V1& has a missing entry.

System Response

Processing terminated

How to fix this error?

Correct the errors in the log. Check and, where necessary, change the
values for the following characteristics:

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

For consolidation units:
Company
Consolidation business area (integrated cons type 2 only)
Profit center (integrated cons type 3 only)
For consolidation groups:
Company
Consolidation business area (integrated cons type 2 only)
Controlling area (integrated cons type 3 only)
Profit center group/profit center (integrated cons type 3 only)

Error message extract from SAP system. Copyright SAP SE.