2728119 - Restore using Networker crashes SAP IQ during closing of handle

When restoring full SAP IQ database backup using Networker, IQ server crashes and following error shows up in networker log
(pid = 20704) (11/22/18 16:33:26.460331) create_iq_lib_specifier: lib_specifier = 'nsriq::SAPIQDB.1542031379.0.0./nsr/apps/tmp/iq_20704_1542922382.tmp'
(pid = 20704) (11/22/18 16:33:26.460643) create_iq_lib_specifier: Exiting.
(pid = 20704) (11/22/18 16:33:26.460919) The restore command is 'RESTORE DATABASE 'SAPIQDB' FROM 'nsriq::SAPIQDB.1542031379.0.0./nsr/apps/tmp/iq_20704_1542922382.tmp' OVERWRITE EXISTING '.(pid = 20704) (11/22/18 16:33:26.461241) ********
Recovery for database 'SAPIQDB' will recover the 'full' level backup performed at UTC time Mon Nov 12 14:02:59 2018
********
(pid = 20704) (11/22/18 16:33:58.843975) recover_the_one: Exiting.
(pid = 20704) (11/22/18 16:33:58.844356) Unable to recover one of the backups of database 'SAPIQDB'.
(pid = 20704) (11/22/18 16:33:58.844591) do_recovers: Exiting.
(pid = 20704) (11/22/18 16:33:58.852247) do_recovers: Exiting with error:
Unable to restore database 'SAPIQDB'.