Help needed with Pristine build in vs code

I mean like when ever i click pristine build in the vs code i am getting this below error 

"Unable to build: SDK not found. Ensure that a valid SDK is used for the build configuration."

but the build is getting done when it is done in the terminal 


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    {
    "platform": {
    "os": "win32",
    "osVersion": "Windows 11 Pro",
    "osKernel": "10.0.26200",
    "vscode": "1.104.0",
    "electron": "37.3.1",
    "node": "v22.18.0",
    "appName": "Antigravity",
    "appHost": "desktop"
    },
    "system": {
    "date": "2026-01-13T03:59:34.538Z",
    "vscodeRoot": "c:\\Users\\vishv\\AppData\\Local\\Programs\\Antigravity\\resources\\app",
    "nrfConnectForDesktopInstalled": true,
    "vscodeUptime": "00:18:34",
    "osUptime": "00:25:05",
    "cpu": "Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz"
    },
    "workspace": {
    "name": "ECG_NRF52DK",
    "workspaceFile": null,
    "folders": [
    "c:\\NRF_PROJECTS\\ECG_NRF52DK"
    ]
    },
    "sdks": [
    {
    "version": "v3.1.1",
    "path": "c:\\ncs\\v3.1.1"
    }
    ],
    "activeBuild": "/NRF_PROJECTS/ECG_NRF52DK/build",
    "apps": [
    {
    "workspace": "c:\\NRF_PROJECTS\\ECG_NRF52DK",
    "uri": "c:\\NRF_PROJECTS\\ECG_NRF52DK",
    "buildConfigurations": [
    {
    "id": "/NRF_PROJECTS/ECG_NRF52DK/build",
    "name": "build",
    "type": "Sysbuild",
    "isChild": false,
    "isStale": true,
    "taskBindings": {
    "build": [],
    "pristineBuild": [],
    "flash": [],
    "eraseAndFlash": []
    },
    "toolchain": "nRF Connect SDK Toolchain v3.1.1"
    },
    {
    "id": "/NRF_PROJECTS/ECG_NRF52DK/build/ECG_NRF52DK",
    "name": "build/ECG_NRF52DK",
    "type": "Zephyr",
    "isChild": true,
    "isStale": true,
    "taskBindings": {
    "build": [],
    "pristineBuild": [],
    "flash": [],
    "eraseAndFlash": []
    },
    "toolchain": "nRF Connect SDK Toolchain v3.1.1"
    }
    ]
    }
    ],
    "toolchains": [
    {
    "version": "3.1.1",
    "path": "c:\\ncs\\toolchains\\c1a76fddb2",
    "displayName": "nRF Connect SDK Toolchain v3.1.1",
    "compilerTools": [
    "Zephyr SDK (arm) 0.17.0",
    "Zephyr SDK (riscv) 0.17.0"
    ]
    }
    ],
    "connectedDevices": [],
    "tools": {
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin\\arm-zephyr-eabi-gcc.exe": "0.17.0",
    "C:\\Program Files\\SEGGER\\JLink_V876\\JLink.exe": "8.76",
    "C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\nrfjprog.exe": "10.24.2",
    "C:\\ncs\\toolchains\\c1a76fddb2\\nrfutil": "8.1.1",
    "C:\\ncs\\toolchains\\c1a76fddb2\\cmake": "3.21.0",
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\Scripts\\west.exe": "1.4.0",
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\python.exe": "3.12.4",
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\ninja.exe": "1.10.2",
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\gperf.exe": "3.1",
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\dtc.exe": "1.4.7",
    "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\gn.exe": "2223",
    "C:\\ncs\\toolchains\\c1a76fddb2\\mingw64\\bin\\git.exe": "git version 2.37.3.",
    "debugger (arm)": "c:\\ncs\\toolchains\\c1a76fddb2\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin\\arm-zephyr-eabi-gdb.exe",
    "debugger (riscv)": "c:\\ncs\\toolchains\\c1a76fddb2\\opt\\zephyr-sdk\\riscv64-zephyr-elf\\bin\\riscv64-zephyr-elf-gdb.exe"
    },
    "nrfutil": {
    "nrfutil-device": {
    "version": "2.15.6",
    "binPath": "c:\\Users\\vishv\\.antigravity\\extensions\\nordic-semiconductor.nrf-connect-2026.1.1242-win32-x64\\platform\\nrfutil\\bin\\nrfutil-device",
    "jlinkInfo": {
    "name": "JlinkARM",
    "version": "JLink_V8.76",
    "versionFormat": "string"
    }
    },
    "nrfutil-sdk-manager": {
    "version": "1.9.3",
    "binPath": "c:\\Users\\vishv\\.antigravity\\extensions\\nordic-semiconductor.nrf-connect-2026.1.1242-win32-x64\\platform\\nrfutil\\bin\\nrfutil-sdk-manager"
    }
    },
    "environment": {
    "westEnv": {
    "HOME": "C:\\Users\\vishv",
    "HOMEDRIVE": "C:",
    "HOMEPATH": "\\Users\\vishv",
    "PATH": "C:\\ncs\\toolchains\\c1a76fddb2;C:\\ncs\\toolchains\\c1a76fddb2\\mingw64\\bin;C:\\ncs\\toolchains\\c1a76fddb2\\bin;C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin;C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\Scripts;c:/ncs/toolchains/c1a76fddb2\\opt/nanopb/generator-bin;C:\\ncs\\toolchains\\c1a76fddb2\\nrfutil\\bin;C:\\ncs\\toolchains\\c1a76fddb2\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin;C:\\ncs\\toolchains\\c1a76fddb2\\opt\\zephyr-sdk\\riscv64-zephyr-elf\\bin;c:\\Users\\vishv\\.antigravity\\extensions\\nordic-semiconductor.nrf-connect-2026.1.1242-win32-x64\\platform\\nrfutil\\lib\\nrfutil-sdk-manager;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\iCLS\\;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\iCLS\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Git\\cmd;C:\\Program Files\\mosquitto;C:\\Users\\vishv\\miniconda3;C:\\WINDOWS\\System32\\OpenSSH\\;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\;C:\\Users\\vishv\\AppData\\Local\\Programs\\Python\\Launcher\\;C:\\Users\\vishv\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\vishv\\AppData\\Local\\GitHubDesktop\\bin;C:\\Users\\vishv\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python313\\Scripts;C:\\nrf-tools;C:\\Users\\vishv\\AppData\\Local\\Programs\\Antigravity\\bin;C:\\Users\\vishv\\AppData\\Local\\Programs\\Microsoft VS Code\\bin",
    "ZEPHYR_TOOLCHAIN_VARIANT": "zephyr",
    "ZEPHYR_SDK_INSTALL_DIR": "c:\\ncs\\toolchains\\c1a76fddb2\\opt\\zephyr-sdk",
    "PYTHONPATH": "C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin;C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\Lib;C:\\ncs\\toolchains\\c1a76fddb2\\opt\\bin\\Lib\\site-packages"
    },
    "inherited": {
    "HOME": "C:\\Users\\vishv",
    "HOMEDRIVE": "C:",
    "HOMEPATH": "\\Users\\vishv",
    "Path": "C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\iCLS\\;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\iCLS\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Git\\cmd;C:\\Program Files\\mosquitto;C:\\Users\\vishv\\miniconda3;C:\\WINDOWS\\System32\\OpenSSH\\;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\;C:\\Users\\vishv\\AppData\\Local\\Programs\\Python\\Launcher\\;C:\\Users\\vishv\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\vishv\\AppData\\Local\\GitHubDesktop\\bin;C:\\Users\\vishv\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python313\\Scripts;C:\\nrf-tools;C:\\Users\\vishv\\AppData\\Local\\Programs\\Antigravity\\bin;C:\\Users\\vishv\\AppData\\Local\\Programs\\Microsoft VS Code\\bin",
    "PATH": "C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\iCLS\\;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\iCLS\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Git\\cmd;C:\\Program Files\\mosquitto;C:\\Users\\vishv\\miniconda3;C:\\WINDOWS\\System32\\OpenSSH\\;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\;C:\\Users\\vishv\\AppData\\Local\\Programs\\Python\\Launcher\\;C:\\Users\\vishv\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\vishv\\AppData\\Local\\GitHubDesktop\\bin;C:\\Users\\vishv\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python313\\Scripts;C:\\nrf-tools;C:\\Users\\vishv\\AppData\\Local\\Programs\\Antigravity\\bin;C:\\Users\\vishv\\AppData\\Local\\Programs\\Microsoft VS Code\\bin"
    }
    },
    "terminal": {
    "defaultProfile": null
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    "config": {
    "nordic-semiconductor.nrf-connect": {
    "ozonePath": "",
    "applications": [],
    "applicationOptions": {},
    "west": {
    "env": {
    "$base": "terminal"
    },
    "verbose": ""
    },
    "boardRoots": [],
    "taskBindings": {},
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    "flash": true,
    "bindings": {
    "${workspaceFolder}/build": "Launch build",
    "${workspaceFolder}/build/ECG_NRF52DK": "Launch build"
    },
    "justMyCode": false,
    "focusOnNrfDebug": true
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    "activeAppFollowActiveEditor": true,
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    "erase": false,
    "recover": false
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    "path": "c:\\Users\\vishv\\.antigravity\\extensions\\nordic-semiconductor.nrf-devicetree-2026.1.448-universal",
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    "nordic-semiconductor.nrf-kconfig": {
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    this is the whole thing which i got,  after that the west update dint work actually it is not returning any errors also 

  • Can you please show me a screenshot of the window where you generate your build configuration:

    i.e. this one:

    Best regards,

    Edvin




  • This is the Build configuratioin window

    Regards
    Vishva

  • Is it possible to choose v3.1.1 from the dropdown menu on top? The one named "SDK"?

    If so, try that, and see if that solves it. If it is not an option, try installing that SDK via the VS Code extension:

    Best regards,

    Edvin

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