Extensions are for phpBB 3.1 - you have posted in the 3.0 forum so, presumably,, you are using phpBB 3.0.x therefore you will either need to find a MOD or upgrade to phpBB 3.1
Remember: You only know what you know and - you don't know what you don't know!
My CDB Contributions | How to install an extension
I will not be accepting translations for any of my extensions in Github - please post any translations in the appropriate topic.
No support requests via PM or email as they will be ignored