After lately I repeatedly get messages that indicate an error from the AdjustableCamera, I open this error message and ask for correction in an update. The error is "Error: Invalid customEnvironment given for SpecializationManager.addSpecialization. Should be a string or nil." and generates a LUA call stack.
If a complete log is required, I am happy to provide it.

Hello and many thanks for this great mod!
My only wish is, the setting of the indoor cam should be saved.

I have spent a few hours looking at the VehicleCamera code, different mod vehicles and the code of AdjustableCamera, and I can't figure out why it won't work on most cameras that follow a crane movement such as the MAN TGX 26.640. It does work with all three platinum DLC vehilces that have the crane following camera (Pm Trac, Pm Felix, K 300R).

Have you looked into this? Is it something on the vehicle side or could it possibly worked around in the mod? I often find it would be useful to move a camera around when operating a crane from the cab and one of the pillars blocks the view.

There's a small bug in tranlsation (german) for the keybinding of "move camera up" & "move camera down".
Both entries says the same ("kamera nach unten bewegen") where the first entry must be "move camera UP" / "Kamera nach oben bewegen"

User reported it stopped working after the patch