Hard to explain, I have buildcraft and it is working perfectly. Modloaders are updated. Here is the error in my server's console
[SEVERE] Unexpected exception
java.lang.RuntimeException: ModLoader has failed to initialize.
at ModLoader.ThrowException(ModLoader.java:1206)
at ModLoader.init(ModLoader.java:627)
at ModLoader.Init(ModLoader.java:1269)
at net.minecraft.server.MinecraftServer.c(MinecraftServer.java:74)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:262)
at ce.run(SourceFile:417)
Caused by: java.lang.RuntimeException: Exception occured in ModLoader
at ModLoader.ThrowException(ModLoader.java:1206)
at ModLoader.ThrowException(ModLoader.java:1211)
at ModLoader.addMod(ModLoader.java:118)
at ModLoader.readFromModFolder(ModLoader.java:847)
at ModLoader.init(ModLoader.java:603)
... 4 more
Caused by: java.lang.NoClassDefFoundError: forge/ITextureProvider
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$000(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$000(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.privateGetPublicFields(Unknown Source)
at java.lang.Class.getFields(Unknown Source)
at ModLoader.setupProperties(ModLoader.java:133)
at ModLoader.addMod(ModLoader.java:103)
... 6 more
Caused by: java.lang.ClassNotFoundException: forge.ITextureProvider
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 36 more