How do I cancel my order the seller has marked it as shipped but did(01)

How do I cancel my order the seller has marked it as shipped but did(01)


Image gallery: Mercari Seller Has Not Shipped

Mercari says item is shipped but also not shipped r/Mercari How do I cancel my order the seller has marked it as shipped but did Seller shipped without mercari label but I paid for shipping, right Seller hasn’t shipped yet? r/Mercari I have never had this happen? What do I do? I assume Mercari knows I Tried to cancel but seller marked as shipped immediately, and now they Confirm shipment not working r/Mercari Seller here, bought this item on the 5th and seller still hasn’t marked