You have to use domoticz for DSM 6.2.
I have to build a version for you 8-)
Take a look here: http://www.jadahl.com/domoticz_beta_6.2/domoticz_comcerto2k-6.2_4.0.10215-8.spk
You have to download and manual install the comcerto2k version.

You're the best, it's working!
I went straight to your ...

Hi, I want to install Domoticz on my Synology DS414j.
I have searched on jadahl.com and on this forum, and the most recent package I can find is Domoticz v3.0.8153-7, with Minimum DSM verison: 5.0-4458

My Synology DS414j is on DSM 6.2.1
Can I still use that package?
Or do I have to ask mr ...