Error messages on build

Error messages like:

1. Error 42: Display.hsr: Line 255: Symbol not defined: _HEAVAC._BID.._BIDSTR, in macro: _shmi_menu_record (4)

2. Unresolved Externals:

_HEAVAC._BID.Rt_Ueberwachung_Klasse_hinten._BIDSTR in module Display.obj

1. If the message "Symbol not defined: _HEAVAC... " is shown on build, the F-Box reference in HMI Editor is missing.

2. If the message "unresolved externals..." is shown on build, the option "Objects for HMI Editor" is not activated in the corresponding F-Box