SMP Invisible models

ComputerCraft [1.3 Server]

Recently, i've playing on my own private server and on my friend's server recently (With ComputerCraft installed of course)
And i've realized the certain models (Such as Boats and arrows) are invisible when places or shot.
some still work properly, (Arrows still do damage if aimed correctly) but some dont (You cannot get in boats.)
It isnt a problem with my server, i have no other mods installed, and i did everything correctly.
They still appear in Singleplayer but in Multiplayer they don't.
Please get this fixed soon, and if it is just me, please reply.

Thanks,
Rapid
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Mystic,
I Reinstalled everything and got everything working. Even reset the server world.
It still doesn't work. Everything works fine on Singleplayer. NO CC BLOCKS ARE BUGGING, its models like boats, and arrows.
Ill list everthing that bugs:
Sand and Gravel goes invisible when falling
Tnt is invisible when ignited
Arrows are invisible when shot
Boats are invisible when placed
Minecarts are invisible when placed
Piston heads sometimes go invisible while changing states
Fishing Floats are invisible when cast
Eggs are invisible when thrown

Unless the blocks that are invisible/unusable are the CC ones, I don't think this is a CC bug. It never happend to me (or anyone that I know). Try to reinstall everything, it might be an installation problem.

Edited post above with all things that are messed up.
So nobody else has had this bug?
I cleared out my bin, i have no texture packs,
mc patcher isnt installed,
nothing but computercraft and CCTurtle are in mods and config (other than forge)
and i dont know what to do :I

It seems to be the entities that have problems (I think all that you listed are entities), I don't know what could cause that. What version of forge do you have?

Simple fix:
Use the latest version of forge for client & server:
http://lexmanos.no-ip.org:8080/job/Forge/lastSuccessfulBuild

Im not sure if it was the forge i was using, (I Think so) But it fixed it.
Thanks guys for the help!