& : WiP in Financial Accounting is still to be cleared/settled

What causes this issue?

Work in process was settled for your object &V1& in Financial
Accounting but has not yet been cleared.
You can only close your object when no work in process exists for this
object in Financial Accounting.

How to fix this error?

If results analysis has not taken place:
Carry out results analysis to determine or clear the work in process on
the object.
Carry out settlement (again, if applicable) to post the clearing of the
work in process in Financial Accounting.
Close the order.
If settlement has not taken place:
Carry out the settlement, to post the clearing of the work in process
in Financial Accounting.
Close the order.

Error message extract from SAP system. Copyright SAP SE.