I dont know
thought maybe you were not running with Dev mode enabled but tested it and works also with disabled dev mode
https://www.racedepartment.com/threads/activate-dev-apps.77212/
Can you look in c:/Documents/Assetto Corsa/cfg'/python.ini, are there these lines ?
[DRSSOUND]
ACTIVE=1
Try a integrity check on Assetto Corsa
https://support.steampowered.com/kb_article.php?ref=2037-QEUH-3335
If nothing helps I hope the creator can help
thought maybe you were not running with Dev mode enabled but tested it and works also with disabled dev mode
https://www.racedepartment.com/threads/activate-dev-apps.77212/
Can you look in c:/Documents/Assetto Corsa/cfg'/python.ini, are there these lines ?
[DRSSOUND]
ACTIVE=1
Try a integrity check on Assetto Corsa
https://support.steampowered.com/kb_article.php?ref=2037-QEUH-3335
If nothing helps I hope the creator can help