I was trying to program my sample to nRF5340's flash using nRF connect v4.0.0 and when i click flash i got this problem:

Question

[error] [ Client] - stderr: [*** LOG ERROR #0001 ***] [2023-03-22 10:37:45] [nRF53] {argument not found}

Failed to enable coprocessor with unknown error.
ERROR: Access to the selected address is blocked by the SPU.
NOTE: For additional output, try running again with logging enabled (--log).
NOTE: Any generated log error messages will be displayed.
FATAL ERROR: command exited with status 37: nrfjprog --recover -f NRF53 --coprocessor CP_NETWORK --snr 1050024693

Priyanka · Accepted Answer

Hi Iben, 
 Do you use the 5340DK? Which IDE are you workingon? Is it VSCode? 
 Also, please mention the sample that you are trying to flash. 
 Best Regards, 
 Priyanka

Wiem · Answer

Bonjour ! 
 J'utilise le nRF5340DK et VSCode et je veux programmer le capteur de temp&eacute;rature DS18B20 et maintenant lorsque je programme un autre capteur j'ai le m&ecirc;me probl&egrave;me , m&ecirc;me avec l'application "Hello World" .

Joe Kane · Answer

Nordic Team, 
 
 I was also able to get an NRF5340DK board in this same state with these exact errors, shortly after upgrading to nrfconnect for vscode extension version: Version 2023.4.148. After debugging for a while, programming failed once and then wouldn't recover. 
 No amount of restarts/reboots/reset or 'recover board' worked using the Nordic VSCode add on from with VS Code. 
 
 Release notes had a lot of discussion regarding nrfprog changes, so maybe there is a script issue here. 
 For those still having the issue, I was able to bring the board back. 
 Using NRF Connect for Desktop 4.0, install the standalone Nordic Programmer app, and do an "Erase" on the device. This successfully recovered and erased the NRF5340, and then I was able to re-flash and debug etc within VSCode.

I was trying to program my sample to nRF5340's flash using nRF connect v4.0.0 and when i click flash i got this problem:

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