即使解决了,还是要说一下,拔刀剑背锅
[21:35:53] [Client thread/ERROR] [FML/]: The following problems were captured during this phase
[21:35:53] [Client thread/ERROR] [FML/]: Caught exception from flammpfeil.slashblade
java.lang.ClassNotFoundException: mods.flammpfeil.slashblade.SlashBlade