Hm... Crash here: cannot get into my single player worlds. click on it and it just boots back to the blast off splash screen. here's the offending end bit of the FTB log
[20:38:27] [pool-5-thread-1/INFO] [EnderIO]: ServerChannelRegister: Dimensional Trasciever data saved to D:\FTBlauncher\BlastOff\minecraft\saves\New World\enderio\dimensionalTransceiver.json
[20:38:27] [Server thread/ERROR] [extracells]: Skipping event FMLServerStoppedEvent and marking errored mod extracells since required dependency appliedenergistics2 has errored
[20:38:27] [Server thread/INFO] [FML]: The state engine was in incorrect state ERRORED and forced into state SERVER_STOPPED. Errors may have been discarded.
[20:38:27] [Server thread/INFO] [FML]: The state engine was in incorrect state ERRORED and forced into state AVAILABLE. Errors may have been discarded.
[20:38:27] [Client thread/INFO] [FML]: Smart Moving allows client configurations
[20:38:27] [Client thread/INFO] [FML]: Smart Moving uses communication protocol 2.3
[20:38:27] [Server thread/ERROR] [extracells]: Skipping event FMLServerStoppedEvent and marking errored mod extracells since required dependency appliedenergistics2 has errored
[20:38:27] [Server thread/INFO] [FML]: The state engine was in incorrect state ERRORED and forced into state SERVER_STOPPED. Errors may have been discarded.
[20:38:27] [Server thread/INFO] [FML]: The state engine was in incorrect state ERRORED and forced into state AVAILABLE. Errors may have been discarded.
[20:38:27] [Client thread/INFO] [FML]: Smart Moving allows client configurations
[20:38:27] [Client thread/INFO] [FML]: Smart Moving uses communication protocol 2.3