[n8n] Missing dependency 'graphicsmagick' causes "Edit Image" node errors

[14790897]

Script

n8n LXC

Issue Description

I installed n8n using the Proxmox VE Helper-Script. When attempting to use the "Edit Image" node within n8n workflows, the execution fails with an error indicating that the gm binary is missing.

It seems the graphicsmagick package is not included in the default installation script, which is required for n8n's image processing nodes.

Error Message

Could not execute GraphicsMagick/ImageMagick: gm "identify" "-ping" "-verbose" "-" this most likely means the gm/convert binaries can't be found

Solution / Workaround

I was able to fix this manually by entering the LXC console and running:

apt-get update
apt-get install -y graphicsmagick

After installing the package and restarting n8n, the "Edit Image" node works correctly.