As i did wrote before you better contact TAC - with R80.xx versions, a lot of objects formerly collected in objects.c are now only available in SQL database. See skI3301 stating:
In R7x, dbedit could be used for manipulating all object stored in objects_5_0.C and in other fwset files.
In R80.x, the tool is still supported, but it can manipulate only some of the objects (gateways and global properties for instance), while other objects (such as rulebase) can be managed only by the new mgmt_cli tool.
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