Be sure to double check your account activity for missing nights:
"I am very sorry to learn that Marriott missed crediting your Marriott Bonvoy™ account with your stay. I appreciate the clear details you provided to document your stay. As a result, I was able to post the stay to your account. You should be able to view this on online within the next 24 hours."
Lifetime Status: No Lifetime Status
Hotel: Zurich Marriott Hotel
Location: Zurich, Switzerland