For some reason they didn’t give you access to /proc/meminfo on your shared environment. (I assume thats a VPS of some kind?)
I’ll add some better error handling since this isn’t the first hit we’ve had for this issue.
@Paul - expect a PR later today.
PR #598 submitted: Additional checking for memory information by AndyTaylorTweet · Pull Request #598 · emoncms/emoncms · GitHub