This usually happens if you try to flash the wrong firmware version, or if the partition table mismatches. Ensure your firmware model matches your physical phone model perfectly.
Ensure you have the latest Samsung USB Drivers installed. Odin 3.15: Download the latest version of Odin3 v3.15.x.
Odin 3.15
Turn off your device completely. Hold down the buttons simultaneously, and connect the phone to your PC via a USB cable. Release the buttons when a warning screen appears, then press Volume Up once to confirm and enter Download Mode. Step 3: Launch Odin 3.15
Extract the downloaded Odin file to your desktop. odin 3.15
Roll back to a previous software version (provided Samsung's security rollback index allows it).
The PC is struggling to establish an exclusive data pipeline with the phone. This usually happens if you try to flash
Samsung Odin3: How to use Odin to Install Stock Firmware/ROM