I-485 case reopened

Two days ago, my I-485 online case status showed as “we ordered your new card” but then the status updated to “your case has been reopened for reconsideration”

Has anyone experienced this before?? Are there any reasons for this? Is there an expected timeline after this update?

What’s weirder is my partner (who is the primary applicant) still has her case showing as “we ordered your new card”…