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Failed to start GDB server. Error in initializing ST-LINK device. Reason: (4) No device found

shanzehq
Associate II

I'm trying to debug my project in the STM32CubeIDE on my mac and am getting the following error, it was previously debugging fine so I'm not sure what the issue is? The error is ""Failed to start GDB server. Error in initializing ST-LINK device. Reason: (4) No device found on target." I am using the STM32H747-DISCO development board, my usb is connected to the ST-Link debugger port and it's receiving power as there is a solid red LED on as it always is. I have been able to debug several times prior this issue only started happening today why I started debugging my program.

How can I fix this, I am a beginner and seemingly have tried whatever I can find online?

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