Did you copy the "Logistics" folder to your "Server/MpMissions/Chernarus11" folder ?
What language are you using ? This script supports only german(de) / english (en) / french(fr).
Did you install the localisationscript ?:
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Install https://github.com/oiad/communityLocalizations if you haven't already.
Add the following below <Project name="DayZ Community">
<Package name="Logistic">
<Key ID="STR_LOG_CFG_LANG">
<English>en</English>
<German>de</German>
<French>fe</French>
</Key>
</Package>