Too many people are clicking the checkout button at the exact same second. The server drops your request to avoid crashing entirely.
Go back and try a different courier option (SiCepat, AnterAja, SPX). If all fail, contact the seller directly and ask them to turn on a specific shipping option for your area. 3. The "Coins & Voucher" Glitch You applied an 80% off voucher, but suddenly the checkout button is grayed out. gagal checkout shopee
An outdated Shopee app has bugs that the server no longer recognizes. Corrupted cache files can send incorrect data during checkout. Too many people are clicking the checkout button
The voucher has a minimum spend requirement you no longer meet after other discounts, or the voucher is "full" (quota reached for the day). Another issue: Shopee Coins —if you try to use more coins than the system allows (e.g., 100% of the item price), the checkout will fail silently. If all fail, contact the seller directly and