No interest will be calculated on item due to interest lock

What causes this issue?

This item is blocked from interest calculation because an
<DS:DE.SPERZ_KK>interest block reason</> is defined in the line item.

System Response

Interest cannot be calculated for the item.

How to fix this error?

If you want to calculate interest on this item, you can remove the
interest block by changing the document.
<ZH>Note</>
If the interest block was set automatically, changing the block may
have undesired effects. For example, you may not want to have interest
calculated on transfer postings or similar documents.

Error message extract from SAP system. Copyright SAP SE.