This guide should help you out, if there's any more questions; feel free to ask any of the staff members or field ambassadors on Teamspeak. 'ts.ahoyworld.co.uk.
Good luck installing.
I'm guessing yo are talking about this allowed mods page.
Have you downloaded them using Arma3Sync or did you do it the hard and painful manual way?
If you didn't do it using Arma3Sync I'd suggest you delete all your mods and follow this guide to install them using Arma3Sync, just keep in mind not to use the Modded, but the Official repository - unless you intend playing on the superior modded server anytime soon.
If you encounter more problems, feel free to hop on the teamspeak - there should be plenty of people there - especially Field Ambassadors (green flag) - willing to help you find a solution.
MessedUpSmiley's post in MODS FOR EU3 was marked as the answer