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Wasn't online yet Wemos D1 Mini

Hello…
I’m a new user of blynk app. I’ve got an error while trying to connect wemos D1 mini with my android.

wasn't%20online%20yet

Board: NodeMCU 0.9 ESP-12 Module
Port: USB-SERIAL CH340 (COM3)

Please help me about why these error happen and how to solve the error?

Remove Blynk.virtualWrites from the loop, and try if that solves the connection issue.
And also keep your void loop with just Blynk.run

And is there a space in your ssid ? Check your ssid and password. Also check if your wemos is defective by chance.

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Board: LOLIN(WEMOS) D1 R1 & mini