1832336 - Error: "ORA-01405: fetched column value is NULL" during upgrade phase GET_CLONE_SIZE

During an upgrade of a SAP NetWeaver system using Oracle, the following error is encountered:

SAPup_troubleticket.log

SAPup broke during phase GET_CLONE_SIZE in module PREP_SPACECALC / Space calculations
Error Message: brconnect exited with 5

ORA_COLLSPCSTAT.LOG

BR0301E SQL error -1405 in thread 2 at location lob_space_get-8, SQL statement:
'FETCH curs_5'
'SELECT SUM(BYTES) FROM DBA_SEGMENTS WHERE OWNER = 'SAPSR3' AND SEGMENT_NAME IN ('SYS_LOB00000###########$$','SYS_IL00000###########$$')'
ORA-01405: fetched column value is NULL

KBA , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-DB-ORA , Oracle , Problem