2819677 - Access using a 'ZERO' object reference is not possible. DUMP occurs while uploading a Digitally Signed SAP Note

• After implementing Note 2408073 and uploading the test file 0002721941_00.SAR a System Dump occurs
• The DUMP contents are similar to :

Category                                       ABAP Programming Error
Runtime Errors                              OBJECTS_OBJREF_NOT_ASSIGNED
Except.                                         CX_SY_REF_IS_INITIAL
ABAP Program                               CL_SCWN_NOTE_SAR_FILE=========CP
Application Component                   BC-UPG-NA
Date and Time                              <time stamp>
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|Short Text                                                                                         |
| Access using a 'ZERO' object reference is not possible.                                           |
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|What happened?                                                                                     |
| Error in the ABAP Application Program                                                             |
|                                                                                                   |
| The current ABAP program "CL_SCWN_NOTE_SAR_FILE=========CP" had to be                             |
| terminated because it has                                                                         |
| come across a statement that unfortunately cannot be executed.                                    |
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KBA , BC-UPG-NA , Note Assistant , Problem