Warning! The saved version of InfoObject &1 is being merged

What causes this issue?

You want to merge the revised version of InfoObject &V1& with the
content version. In addition, you have also just recently changed
InfoObject &V1&, but not yet saved it.
If you want to merge several InfoObjects at the same time, this message
appears only for the first InfoObject.

System Response

Only the saved version of InfoObject &V1& and eventually further
InfoObjects are called for merging.

How to fix this error?

Save the InfoObject first, if you want to see the current modifications
during the merge.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.