Could I fail to acknowledge the installment if the Facebook marketplace blocked?

While you are selling any items but Facebook marketplace blocked, then you need to unblock it first and then follow the process for installment. Here, you can incline toward a Visa, PayPal, or any electronic mode. However, prior to tolerating any installment, you need to check the purchaser’s profile and review all subtleties.

https://www.pcmonks.net/blog/unblock-my-marketplace-on-facebook/