As President Donald Trump took office for the second time on Monday, U.S. Customs and Border Protection (CBP) announced the discontinuation of the CBP One app. The app, which allowed undocumented individuals “to submit advance information and schedule appointments at eight southwest border ports of entry,

Victoria Meijia Garcia, 31, opened the CBP One app at 10 a.m. Monday as she did every day for the past several months, seeking an available appointment with an asylum official. But today, the top of the familiar homepage blared a message that filled her with dismay.

The CBP One app has been wildly popular. It is an online lottery system to give appointments to 1,450 people a day at eight border crossings.