If I'm running vm, the function `bbdb-migration-query' will be called, but at this time there is no autoload for this function. If I'm defining such an autoload, the function `bbdb-auto-notes-hook' will be called, for which also no autoload is defined at this time. After defining an autoload for `bbdb-auto-notes-hook' the command will fail because of an undefined bbdb keymap. All of them, the autoloads and the keymap are defined in the function `bbdb-initialize'. Therefore it seems, that the function `bbdb/vm-update-record' should at first call `bbdb-initialize' (havn´t checked that).