Script fails but debug code works fine

[JeroenTuinstra]

The script in Synology DSM fails standardly, but the debug code results in good:

The debug code works (with and without sudo):

In Cloudflare only the debug code is registered as update ... did something change?

[ronhks]

try this (from: https://github.com/mrikirill/KTSynologyDDNSCloudflareMultidomain/):

It worked for me.