G/L account item without amounts

What causes this issue?

The G/L account item (posting key "&v1&", account number "&v2&")
has neither a local currency amount nor a foreign currency amount
unequal to zero.

System Response

Items without amount specifications cannot be processed in
financial accounting.

How to fix this error?

It is a error in the calling program.

Error message extract from SAP system. Copyright SAP SE.