Some help plz

[ImMC]

i am playing mindcrack modpack, i built some of the advanced ic2 machines, at the beginning , evetthing is fine, but yesterday when i start the game, all the advanced machine didnt show their own texture, each of them have a advanced machine block texture only, if i open their gui at this time , my game ll crash. after around 20 seconds, the textures then show up.

whats the reason cause the problem above?what can i do about that?

 

[Ashzification]

Please post your entire client side console log on pastebin.com and link your paste URL here. This is the other window that is opened by the FTB launcher. Please post any and all other logs you can provide to pastebin.com and link those as well. Logs are much easier to read when uploaded to pastebin. To prevent future issues, such as pastebin flagging your log as spam and deleting it, it is simplest to create an account on pastebin.com and use that account to upload your logs.