2378172 - MESSAGE_TYPE_X DUMP when opening the BP relationship tab

When you open the relationship tab in BP transaction, there is DUMP with the following details:

Category                      ABAP programming error
Runtime Errors             MESSAGE_TYPE_X
ABAP: Program             SAPLBUPA_DIALOG_JOEL
Application Component  AP-MD-BP-UI

Error analysis                                                                                    
    Short text of the error message:                                                              
    Business partner & does not exist                                                             
    Long text of the error message:                                                               
    Technical information about the message:                                                      
    Message class....... R1                                                                       
    Number..............   201                                                                      
    Variable 1..........    &                                                                        
    Variable 2..........                                                                          
    Variable 3..........                                                                          
    Variable 4..........   " "

• Software component SAP_ABA (Cross-Application Component)

GET_GUID, GET_KEY_FOR, SAPLBUPA_DIALOG_JOEL, bp does not exist, BUCP_BUPA_PERSDATA_GET, BUP_BUPA_BUT000_GET, GET_TYPE, ZBPREL_RELATIONS_CORRECT, BPREL, run report ZBPREL_RELATIONS_CORRECT, MESSAGE_TYPE_X, SAPLBUPA_DIALOG_JOEL, R1201, R1 201, (201)R1, LBUPA_DIALOG_JOELF18, BUP_PARTNER_GET , KBA , AP-MD-BP-RS , Relationships , AP-MD-BP , Business Partner , Problem