Cant change callerid option

I'm not sure if this is the right place, but using oneplus official forums didn't give any answers. I changed my callerid to anonymous a few months ago, and i can't change it back to showing my callerId. All guids and FAQ's show me where to find the option and change it, but the callerid button in my phone is disabled/grayed out. I have no idea why, tried restarting the phone, disable/enable sim card, and fiddling with settings without any luck. Has anyone here encountered anythin similar, and know how to fix this ? My device is oneplus 10 pro running android version 13.