BIG-IP : upgrade fails to transfer configuration

I am getting below error, when replacing F5 box used old config files, want restore? over Mgm port? Any help?

root@(localhost)(cfg-sync Standalone)(Active)(/Common)(tmos) load sys config Loading system configuration... /defaults/asm_base.conf /defaults/config_base.conf /defaults/low_profile_base.conf /defaults/low_security_base.conf /defaults/policy_base.conf /defaults/wam_base.conf /defaults/analytics_base.conf /defaults/apm_saml_base.conf /defaults/app_template_base.conf /defaults/classification_base.conf /defaults/daemon.conf /defaults/fullarmor_gpo_base.conf /defaults/profile_base.conf /defaults/sandbox_base.conf /defaults/security_base.conf /defaults/urldb_base.conf /usr/share/monitors/base_monitors.conf Loading configuration... /config/bigip_base.conf /config/bigip_user.conf /config/bigip.conf /config/bigip_script.conf /config/partitions/QUT/bigip.conf 01071769:3: Decryption of the field (bind_pw) for object (/Common/system-auth) failed.Unexpected Error: Loading configuration process failed. root@(localhost)(cfg-sync Standalone)(Active)(/Common)(tmos) root@(localhost)(cfg-sync Standalone)(Active)(/Common)(tmos) load sys co