hm, try taking out all the @files (mods) Install SIX updater. through there you install ACE mod. and after that you install jayarma2ex. and acre. because i bel. that the error comes from an outdated mod.
Added 1 minute later:
1.Uinstall all mods. in arma file.
2.Install Six updater, then through six updater install Ace Mod.
3. Install Acre and Jay.
4. Teest it.