3368838 - SCPR3 | BC Set -> Upload | Keeps asking to assign a package

You upload a BC Set in transaction SCPR3, and enter a package to the object. The system keeps asking to assign a package.

Example: 
BC Set ZAIF_S4_EDOC_IT_COMPLETE_V11.bcs attached to SAP note 2260805:
2260805 - eDocument Italy - FatturaPA 1.2: AIF Customizing for SAP S/4HANA

BC Set ZAIF_S4_EDOC_IT_COMPLETE_V11 is an hierarchical BC Set. It contains these objects:

    eDocument Italy: Complete List of AIF BC Sets                ZAIF_S4_EDOC_IT_COMPLETE_V11

           eDocument Italy                                              ZAIF_S4_EDOC_IT_V11

               eDocument Italy: Namespace                                   ZAIF_S4_EDOC_IT_NAMESPACE_V01
               eDocument Italy: Interfaces                                  ZAIF_S4_EDOC_IT_INTERFACES_V02
               eDocument Italy: Interface Engines                           ZAIF_S4_EDOC_IT_INTF_ENGINES_V02
               eDocument Italy: Checks                                      ZAIF_S4_EDOC_IT_CHECKS_V04
               eDocument Italy: Namespace-Specific Features                 ZAIF_S4_EDOC_IT_NS_SPECIFIC_V02
               eDocument Italy: Interface-Specific Features                 ZAIF_S4_EDOC_IT_INTF_SPEC_V01
               eDocument Italy: Value Mapping                               ZAIF_S4_EDOC_IT_VALUE_MAP_V05

           eDocument Italy - Fattura 1.1                                ZAIF_S4_EDOC_IT_110_V04

               eDocument Italy - Fattura 1.1: Interfaces                    ZAIF_S4_EDOC_IT_110_INTF_V01
               eDocument Italy - Fattura 1.1: Interface Engines             ZAIF_S4_EDOC_IT_110_INTFENG_V01
               eDocument Italy - Fattura 1.1: Structure Mapping             ZAIF_S4_EDOC_IT_110_STRUCMAP_V04
               eDocument Italy - Fattura 1.1: Namespace-Specific Features   ZAIF_S4_EDOC_IT_110_NS_SPEC_V01
               eDocument Italy - Fattura 1.1: Interface-Specific Features   ZAIF_S4_EDOC_IT_110_INTFSPEC_V01

           eDocument Italy - FatturaPA 1.2                              ZAIF_S4_EDOC_IT_120_V07

               eDocument Italy - FatturaPA 1.2: Interfaces                  ZAIF_S4_EDOC_IT_120_INTF_V01
               eDocument Italy - FatturaPA 1.2: Interface-Specific Features ZAIF_S4_EDOC_IT_120_INTFSPEC_V01
               eDocument Italy - FatturaPA 1.2: Interface Engines           ZAIF_S4_EDOC_IT_120_INTFENG_V01
               eDocument Italy - FatturaPA 1.2: Namespace-Specific Features ZAIF_S4_EDOC_IT_120_NS_SPEC_V01
               eDocument Italy - FatturaPA 1.2: Structure Mappings (V4)     ZAIF_S4_EDOC_IT_120_STRUCMAP_V04
               eDocument Italy - FatturaPA 1.2: Fix Values                  ZAIF_S4_EDOC_IT_120_FIXVAL_V03

For each of these objects the package will be requested:
R3TR    SCP1    ZAIF_S4_EDOC_IT_COMPLETE_V11
R3TR    SCP1    ZAIF_S4_EDOC_IT_V11
R3TR    SCP1    ZAIF_S4_EDOC_IT_NAMESPACE_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_INTERFACES_V02
R3TR    SCP1    ZAIF_S4_EDOC_IT_INTF_ENGINES_V02
R3TR    SCP1    ZAIF_S4_EDOC_IT_CHECKS_V04
R3TR    SCP1    ZAIF_S4_EDOC_IT_NS_SPECIFIC_V02
R3TR    SCP1    ZAIF_S4_EDOC_IT_INTF_SPEC_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_VALUE_MAP_V05
R3TR    SCP1    ZAIF_S4_EDOC_IT_110_V04
R3TR    SCP1    ZAIF_S4_EDOC_IT_110_INTF_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_110_INTFENG_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_110_STRUCMAP_V04
R3TR    SCP1    ZAIF_S4_EDOC_IT_110_NS_SPEC_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_110_INTFSPEC_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_V07
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_INTF_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_INTFSPEC_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_INTFENG_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_NS_SPEC_V01
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_STRUCMAP_V04
R3TR    SCP1    ZAIF_S4_EDOC_IT_120_FIXVAL_V03

This KBA applies to all SAP Products based on NetWeaver

Italy, FatturaPA, eDocument, EDOC, electronic invoicing, e-invoicing , KBA , BC-CUS-TOL-BCD , Business Configuration Sets , CA-GTF-CSC-EDO-IT , Document Compliance Italy , Problem