Question about a waiver

So apparently I have a waiver showing up on my sf86 and I’m not sure why. I have parents with dual citizenship because they were born in another country and I also had a card that certified citizenship with another country that was granted many years ago but had an expiration date and it already expired so I’m not sure what it is and they can’t really tell me so I don’t know how I can find out when I’m applying for jobs. I was already granted a TS and I have been read on SCI and I’m polygraphed so I don’t know. I’m not even sure why it’s a No-No if I was granted all of this. Obviously I was trusted by the government so my mind is boggled. But I’d like to know what the waiver is for or why is it showing up on my sf86. How would I be able to find that out because my clearance was granted some years ago. It’s not expired yet. My issue is that I’m wondering if this could be why I’m not selected for some jobs that I am applying to. Oh by the way, all of my immediate family are either naturalized citizens or born in the US And I never had a relationship with a foreign national and I only have a few relatives who live abroad and I don’t really talk to them all the time but they are still listed on my SF 86.