Modding question about Pitmenu damage settings

[Ernie]

Hi there. I'm working on a mod for our league and i'm having a problem with the pitmenu options referring to damage repair.

If i start a race event or training session offline, i can define the repair settings of the aero damage in pitmenu. Also in car it works like it should.
But if i join our league server in multiplayer online, these aero damage repair settings are greyed out and not selectable. Same mod, same car, same track.
So if i lose my splitter or rear wing in a league race, i can't convince my pit crew to repair the damage.

Here are some screenshots. Sorry for the german language.

Translation:
"Vord. Aeroschaden" => Front aero damage
"Hint. Aeroschaden" => Rear aero damage
"Nicht repar." => Don't fix

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OFFLINE
Pitmenu in garage:

Pitmenu in car:

--------
ONLINE
Pitmenu in garage:

Pitmenu in car:

Additional info: The mod is using an unedited and default damage-file (*.DMG) from Simbin.

I don't know which parameter in which physics file i have to change (or add) to fix this issue. I hope someone can help me.

cheers
Ernie