Code (cpp):
[22:08:54] [Netty Client IO #7/ERROR] [FML/]: Failed to connect to server: there are 100 missing blocks and items
[22:08:54] [Netty Client IO #7/DEBUG] [FML/]: Missing list: [Railcraft:backpack.apothecary.t1, Railcraft:backpack.apothecary.t2, Railcraft:backpack.trackman.t2, Railcraft:backpack.trackman.t1, Railcraft:backpack.iceman.t2, Railcraft:backpack.iceman.t1, Forestry:cratedClay, Forestry:cratedPollen, Forestry:cratedLapis, Forestry:cratedCacti, Forestry:foresterBag, Forestry:cratedRoyalJelly, Forestry:cratedApatite, Forestry:cratedMysteriousCombs, Forestry:cratedHoneycombs, Forestry:cratedAsh, Forestry:minerBag, Forestry:hunterBag, Forestry:cratedMossyCombs, Forestry:cratedChestnut, Forestry:builderBag, Forestry:cratedObsidian, Forestry:cratedPropolis, Forestry:cratedCoal, Forestry:cratedReeds, Forestry:cratedDarkOakWood, Forestry:cratedBrick, Forestry:cratedBogearth, Forestry:cratedPeat, Forestry:cratedAcaciaWood, Forestry:cratedPowderyCombs, Forestry:cratedHumus, Forestry:minerBagT2, Forestry:diggerBagT2, Forestry:cratedFertilizer, Forestry:cratedBronze, Forestry:diggerBag, Forestry:cratedCharcoal, Forestry:cratedCopper, Forestry:cratedRefractoryWax, Forestry:cratedCocoaComb, Forestry:cratedBirchSapling, Forestry:cratedRedstone, Forestry:cratedCrystallinePollen, Forestry:cratedSand, Forestry:hunterBagT2, Forestry:cratedBeeswax, Forestry:cratedMycelium, Forestry:cratedMulch, Forestry:crate, Forestry:cratedParchedCombs, Forestry:cratedFrozenCombs, Forestry:cratedWalnut, Forestry:cratedHoneydew, Forestry:lepidopteristBag, Forestry:cratedCookies, Forestry:cratedGravel, Forestry:cratedWood, Forestry:cratedCherry, Forestry:cratedNetherrack, Forestry:cratedAcaciaSapling, Forestry:cratedSoulsand, Forestry:builderBagT2, Forestry:cratedSimmeringCombs, Forestry:cratedPotatoes, Forestry:cratedNetherbrick, Forestry:adventurerBag, Forestry:cratedDates, Forestry:cratedDarkOakSapling, Forestry:cratedWheatenCombs, Forestry:cratedDirt, Forestry:cratedRedSand, Forestry:cratedSandstone, Forestry:cratedNetherwart, Forestry:cratedBirchWood, Forestry:cratedGlowstone, Forestry:cratedPlum, Forestry:cratedPodzol, Forestry:apiaristBag, Forestry:cratedJungleWood, Forestry:adventurerBagT2, Forestry:cratedApples, Forestry:cratedMellowCombs, Forestry:cratedCobblestone, Forestry:cratedSpruceWood, Forestry:cratedDrippingCombs, Forestry:cratedSeeds, Forestry:cratedJungleSapling, Forestry:cratedCarrots, Forestry:foresterBagT2, Forestry:cratedSaplings, Forestry:cratedSilkyCombs, Forestry:cratedLemon, Forestry:cratedTin, Forestry:cratedWheat, Forestry:cratedStringyCombs, Forestry:cratedStone, Forestry:cratedSpruceSapling, Forestry:cratedPapaya, Forestry:cratedPhosphor]
Vérifies que tu as la même version de forestry sur le client que sur le serveur, même chose pour railcraft.