TC ActionBlocks 1.2 load error

 Could not load 'plugins/TCActionBlocks-1.2.jar' in folder 'plugins'
org.bukkit.plugin.UnknownDependencyException: Train Carts
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:201) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:350) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.<init>(CraftServer.java:312) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at net.minecraft.server.v1_7_R1.PlayerList.<init>(PlayerList.java:63) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at net.minecraft.server.v1_7_R1.DedicatedPlayerList.<init>(SourceFile:14) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:126) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit_dev.jar:git-Bukkit-1.7.2-R0.2-40-g6e27629-b3011jnks]