2497912 - A null object loaded from local variable 'partvalue' when registering a system to SLD

The following error message is recorded in sld.log:

mm/dd/yyyy hh:mm:ss.xxx [SLD Data Supplier Processing] ERROR com.sap.lcr.sagent.BuilderDirector: Unexpected error during processing of supplied data.
Thrown:
java.lang.NullPointerException: while trying to invoke the method java.lang.String.equals(java.lang.Object) of a null object loaded from local variable 'partvalue'
at com.sap.sld.api.std.impl.CaptionRule.buildCaption
at com.sap.sld.api.std.impl.BaseSystem.createCaption
at com.sap.sld.api.std.impl.BaseSystem.rename
at com.sap.sld.api.std.tech.SLD_ABAPSystem.move
at com.sap.lcr.sagent.specificbuilder.BCSystemBuilder.renameOldKeyInstance
at com.sap.lcr.sagent.specificbuilder.BCSystemBuilder.getSLDKeyInstance
at com.sap.lcr.sagent.specificbuilder.AbstractBuilder.work
at com.sap.lcr.sagent.specificbuilder.BCSystemBuilder.work
at com.sap.lcr.sagent.BuilderDirector.performLocalWork
at com.sap.lcr.sagent.BuilderDirector.performWork
at com.sap.lcr.sagent.BuilderDirector.run
at java.lang.Thread.run

In an AS Java where SLD is set up.

Unexpected error, java.lang.NullPointerException, a null object loaded, partvalue. , KBA , BC-CCM-SLD , System Landscape Directory / Component Repository , Problem