I'm getting problems launching after the update as well. Forge is supposed to hide differences between 1.5.1 and 1.5.2 but I'm getting this error on launch of minecraft:
2013-05-09 09:39:53 [INFO] [STDERR] Exception in thread "Minecraft main thread" java.lang.VerifyError: (class: mithion/arsmagica/proxies/ArsMagicaClientPacketHandler, method: onPacketData signature: (Lnet/minecraft/network/INetworkManager;Lnet/minecraft/network/packet/Packet250CustomPayload;Lcpw/mods/fml/common/network/Player;)V) Incompatible argument to function 2013-05-09 09:39:53 [INFO] [STDERR] at java.lang.Class.getDeclaredConstructors0(Native Method)
Anyone know where the source is? This should be super easy to fix since it looks like a class cast introspection error.
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2013-05-09 09:39:53 [INFO] [STDERR] Exception in thread "Minecraft main thread"
java.lang.VerifyError: (class: mithion/arsmagica/proxies/ArsMagicaClientPacketHandler, method: onPacketData signature: (Lnet/minecraft/network/INetworkManager;Lnet/minecraft/network/packet/Packet250CustomPayload;Lcpw/mods/fml/common/network/Player;)V) Incompatible argument to function
2013-05-09 09:39:53 [INFO] [STDERR] at java.lang.Class.getDeclaredConstructors0(Native Method)
Anyone know where the source is? This should be super easy to fix since it looks like a class cast introspection error.