# Persistent 'Invalid config section' error for \[gcode\_shell\_command\] after fresh install **URL:** \ **Category:** General Discussion\ **Created:** [April 15, 2025, 6:26pm UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034 "2025-04-15T18:26:48Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![MirSadique](https://avatars.discourse-cdn.com/v4/letter/m/b19c9b/32.png) [@MirSadique](https://klipper.discourse.group/u/MirSadique)\ **Post date:** [April 15, 2025, 6:26pm UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034/1 "2025-04-15T18:26:48Z")
### Basic Information: MCU / Printerboard: BTT Octopus v1.1 Host / SBC : Pi 3b+ klippy.log [klippy (19).log](https://klipper.discourse.group/uploads/short-url/6ddv9Ns2oXTbJ1DcbETAHdckLwY.log) (53.3 KB) ### issue: **Subject:** Persistent ‘Invalid config section’ error for [gcode\_shell\_command] after fresh install Hi Klipper community, I’m facing a persistent issue with my Klipper installation where I consistently get the error “Section ‘gcode\_shell\_command …’ is not a valid config section” whenever I try to define a shell command in my `printer.cfg`. This is on a fresh installation of Klipper (previously it was running fine, i haven’t changed anything after installation) (klipper installed using [mention method - KIAUH] on a Raspberry Pi 3b+ on running [Debian GNU/Linux 12 (bookworm)]. I have tried the following troubleshooting steps: - checking file path, permissions, encoding, minimal config, etc.] Here is the test code [gcode\_shell\_command test\_command] command: echo “Test” timeout: 5.0 verbose: True … ---
**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\ **Post date:** [April 15, 2025, 6:38pm UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034/2 "2025-04-15T18:38:24Z")
Hello @MirSadique ! The mentioned command is not provided by Klipper, though the error message. Did you have had some extensions on your old install? ---
**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\ **Post date:** [April 15, 2025, 6:51pm UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034/3 "2025-04-15T18:51:19Z")
Your klippy.log does not indicate that you have the needed extension installed. You can use KIAUH to do so: Choose `E` for Extensions then `1` for ‘G-Code Shell Command’ ---
**Author:** ![MirSadique](https://avatars.discourse-cdn.com/v4/letter/m/b19c9b/32.png) [@MirSadique](https://klipper.discourse.group/u/MirSadique)\ **Post date:** [April 15, 2025, 7:11pm UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034/4 "2025-04-15T19:11:27Z")
Sorry i cant remember ---
**Author:** ![MirSadique](https://avatars.discourse-cdn.com/v4/letter/m/b19c9b/32.png) [@MirSadique](https://klipper.discourse.group/u/MirSadique)\ **Post date:** [April 15, 2025, 7:13pm UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034/5 "2025-04-15T19:13:14Z")
Found it under 4. Advanced → 8. G-code shell command ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/64419bf2aac6639e6ef5cef200dcd456b0a01ac3.png) [@system](https://klipper.discourse.group/u/system)\ **Post date:** [May 16, 2025, 5:13am UTC](https://klipper.discourse.group/t/persistent-invalid-config-section-error-for-gcode-shell-command-after-fresh-install/23034/6 "2025-05-16T05:13:58Z")
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