SAP Message UCMI030 - Selected items: Item &1 is not an income statement item

Diagnosis
In the Selected Items, the items you specify on tab pagesClearing - Income Statement and Deferred Taxes - IncomeStatement
must always have the itemtype Income Statement.
However, item &V1& has a different item type.

Procedure
Change the item type of item &V1&, or do not use this item.