2225580 - Could not execute 'hdbmount.py --sudoers...' during HANA Upgrade

While attempting to upgrade HANA Database the following error message appears in the hdblcm.log.

INFO: Preparing version switch to 'HDB_1.00.097.02.1440765820_2330931'
INFO: Active version is 'HDB_1.00.74.02.392316_1577375'.
INFO: New link '/sapmnt/BHQ/exe/linuxx86_64/hdb_new' already points to the right version
INFO: Modifying sudoers...
ERR : Could not execute 'hdbmount.py --sudoers...'
ERR : error upgrading
ERR : Upgrade failed
INFO: Summary of critical errors
ERR : Upgrade failed
ERR : error upgrading
ERR : Could not execute 'hdbmount.py --sudoers...'
INFO: Starting external program /usr/bin/python
INFO: Command line is: /usr/bin/python /sapmnt/BHQ/HANA_97_02/extracted/SAP_HANA_DATABASE/server/hdbmount.py --sudoers -- configFiles=/sapmnt/BHQ/global/hdb/custom/config
INFO: Output line 1: failed with: list index out of range
INFO: Output line 2: please check loadability of your Storage Connector
INFO: Program terminated with exit code 1

SAP HANA, platform edition 2.0

hdbmount.py, python, sudoers , KBA , HAN-LM-UPG-DB , Upgrade of HANA Database , Problem