BLYNK
HOME       📲 GETTING STARTED       📗 DOCS       ❓HELP CENTER       👉 SKETCH BUILDER

Espcomm_upload_mem failed error

Hi Blynkers!
I used Node MCU 8266 1.0 ver3, before uploading normally, now it looks like this:
"error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 8 bytes

error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
error: failed sending 0xC0
error: failed sending 8 bytes
error: failed sending 36 bytes
error: failed sending 0xC0
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed"

Please help me.
Thank you and respect!