Putaway quantities for item &1 &2 cannot be distributed, see long text

What causes this issue?

Putaway quantities cannot be distributed for purchasing list item &V1&
&V2& because the sum of the planned quantities on the characteristic
level is different from the quantities on purchasing list item level.

System Response

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

How to fix this error?

Adjust the planned quantities manually or automatically by using
function <LS>Calculate Quantities Bottom Up</> in the purchasing list
menu.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.