check that ...\steamapps\common\Le Mans Ultimate\UserData\player\CustomPluginVariables.JSO N contains
Code:"rFactor2SharedMemoryMapPlugin64.dll":{ " Enabled":1,
"DebugISIInternals":0,
"DebugOutputLevel":0,
"DebugOutputSource":1,
"DedicatedServerMapGlobally":0,
"EnableDirectMemoryAccess":0,
"EnableHWControlInput":1,
"EnableRulesControlInput":0,
"EnableWeatherControlInput":0,
"UnsubscribedBuffersMask":160
}