Problem with dependent goods movements. See long text.

What causes this issue?

The entry quantities of the dependent items must either both be zero
or have a value other than zero.
In this case the combination of entry quantities is not allowed:
The quantity of the goods receipt item is 0 whereas the quantity of the
goods issue item is <> 0.
The quantity of the goods issue item is 0 whereas the quantity of the
goods receipt item is <> 0.

System Response

How to fix this error?

Change the entry quantities of the dependent goods movements as
necessary.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.