Failure to load NOD MCU8266

I have an ESP8266 MOD to which I cannot load a program, since it has two errors. (depending on baud rate)
1- It does not find or does not recognize the device
2- It throws the following error esptool.FatalError: Failed to connect to ESP8266: Invalid head of packet (0x08).

@whescker, your topic has been moved to a more suitable location on the forum as this has nothing to do with Website and Forum.

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