iPhone tracking is turned off says because missing age information on my account?

My iPhone tracking turned off today randomly now it says my account is missing age information but I have it clearly on my account and I’m 37yrs old so wth? Also I signed out ad tracking turned on but when I signed back in it turned off with the missing age information notice again this all happened after I used the find my iPhone feature I also tried changing birthday to 1 day ahead then back to original didn’t work I force restarted the phone didn’t work either I also talked to a Apple support specialist with screen share and they couldn’t solve the problem either