2713657 - Unblocking Business partner via BUPA_PRE_EOP dumps

When unblocking business partner via transaction BUPA_PRE_EOP, following dump occurs:

Category               External Error
Runtime Errors         CALL_FUNCTION_REMOTE_ERROR
Date and Time          30.10.2018 14:28:10

Short Text
"connection closed (no data)"

What happened?
The current ABAP program "BUPA_PREPARE_EOP" had to be terminated because it
 found a statement that could not be executed.
The error occurred during an RFC call to another system.

Information on where terminated
    The termination occurred in ABAP program or include "BUPA_PREPARE_EOP", in
     "UNBLOCK". The
    main program was "BUPA_PREPARE_EOP".

Source Code Extract
        LOOP AT lt_regsys ASSIGNING <fs_regsys>.
          TRY.
>>>>>         CALL FUNCTION 'BUPA_PURPOSE_RESET' "STARTING NEW TASK task_final_reset
                DESTINATION <fs_regsys>-rfcdes
                EXPORTING
                  it_partner = lt_partnerguid_reset
                IMPORTING
                  ET_MESSAGE = lt_messages.

• SAP Release until validity of SAP Notes mentioned in "Resolution" section below
• Transaction BUPA_PRE_EOP

KBA , BC-ILM-IRM , Information Retention Manager , AP-MD-BP , Business Partner , CRM-BF-AR , Archiving , Problem