what's the meaning of "after I hit send..." ?
In the context, we're talking about the schedule. He says "seems it didn't work after I hit send". I dont quite understand it. Thanks for your help in advance.

Question

Answer

Most likely they are refering to an email or cell phone, which has a "send" button.  In this case, they hit the button to send whatever message they had written or whatever record they were trying to make and apparently it did not work.

Evden çıkmadan dil öğrenme fırsatını kaçırmayın. Deneyimli dil eğitmenlerimizden oluşan seçkimize göz atın ve ilk dersinize şimdi kaydolun!