3410446 - Property PARTNER_NAME of Entity Set WorklistItems is already mapped

****This KBA is only related to odata service UDMO_COLLECTION_WORKLIST.****

/n/IWFND/MAINT_SERVICE -> Add Service for UDMO_COLLECTION_WORKLIST, hitting error:

Metadata not loaded - See /IWBEP/ERROR_LOG in
backend '' - Property PARTNER_NAME of Entity Set
WorklistItems is already mappedis already
mapped... 

/IWBEP/ERROR_LOG shows:

.ERROR_CONTEXT    
..ERROR_INFO    Property PARTNER_NAME of Entity Set WorklistItems is already mapped
../IWBEP/CX_MGW_MED_EXCEPTION    
...CLASS_NAME    
...CLASS_TXT_ELEMENT_ID    
...CONVERSION_NAME    
...ELEMENT_NAME    
...ENTITY_2_NAME    
...ENTITY_3_NAME    
...ENTITY_ID    
...ENTITY_NAME    
...FIELD_NAME    
...INCLUDE_STRUCTURE    
...INTERFACE_NAME    
...LENGTH    0
...MESSAGE_UNLIMITED    
...OBJECT_MODEL_NAME    
...OBJECT_MODEL_VERSION    0000
...OBJECT_NAME    
...PROPERTY_NAME    
...SERVICE_NAME    
...SERVICE_VERSION    0000
...STRUCTURE_NAME    
...TAG_ID    
...TYPE    
...USERNAME    
...VOCAB_CON_EXP_OPERATOR    
...VOCAB_CON_EXP_PARAMETER_COUNT    
...VOCAB_ID    
...VOCAB_VERSION    0000
...VOCAN_TECH_NAME    
...VOCAN_VERSION    0000
...TYPE_KIND    
...RETURN_CODE    
..CX_SADL_EXPOSURE_ERROR    
...AKH_COMPONENT    
...NODE_NAME    
...OBJECT_NAME    
...ENTITY    
...PROPERTY    
...DTYPE    
...OPERATION_DESC    
...IF_T100_MESSAGE.T100KEY    
....MSGID    SY
....MSGNO    530
..CX_SADL_COMPILER_ERROR    
...SADL_ID    UDMO_COLLECTION_WORKLIST
...IF_T100_MESSAGE.T100KEY    
....MSGID    SADL_COMPILER
....MSGNO    001
....ATTR1    SADL_ID
...IF_T100_DYN_MSG.MSGV1    
...IF_T100_DYN_MSG.MSGV2    
...IF_T100_DYN_MSG.MSGV3    
...IF_T100_DYN_MSG.MSGV4    
...IF_T100_DYN_MSG.MSGTY    
...IF_CX_DEV_OBJECT_INFO.TADIR_KEY    
....OBJ_NAME    UDMO_COLLECTION_WORKLIST
....OBJ_TYPE    IWPR
..CX_SADL_GW_EXT_FIELD_MAPPING    
...ENTITY_SET    WorklistItems
...PROPERTY_ABAP_NAME    PARTNER_NAME
...ELEMENT    
...BUSINESS_ENTITY    
..SERVICE_INFO    
...SERVICE_NAME    ***Hide_due_to_secure_log_level***
...SERVICE_TECH_NAME    ***Hide_due_to_secure_log_level***
...SERVICE_VERSION    0001
...SEC_SERVICE_NAME    UDMO_COLLECTION_WORKLIST
...SEC_SERVICE_TECH_NAME    UDMO_COLLECTION_WORKLIST
...MODEL_TECH_NAME    UDMO_COLLECTION_WORKLIST
...MODEL_VERSION    0001
..SYSTEM_INFO    

PARTNER_NAME, WorklistItems, UDMO_COLLECTION_WORKLIST, already mapped, WorklistItems  , KBA , OPU-GW-COR , Framework , FIN-FIO-CCD-COL , Fiori-UI for Collections and Dispute Management , Problem