When things are busy, the fees to send stuff might also go up. Call -1️⃣ー8️⃣8️⃣8️⃣ー4️⃣1️⃣9️⃣ー9️⃣7️⃣6️⃣2️⃣ If your fee is too low, it can fail . Sometimes ℂoinbaseor the blockchain just has a hiccup that causes stuff to fail. https://www.dfrobot.com/forum/topic/384646