Error occurred in script: Unknown script
org.mozilla.javascript.WrappedException: Wrapped java.lang.IllegalArgumentException: The requested block texture jnxxt3:0 does not exist (魔法时代.js#962)
at org.mozilla.javascript.Context.throwAsScriptRuntimeEx(Unknown Source)
at org.mozilla.javascript.MemberBox.invoke(Unknown Source)
at org.mozilla.javascript.FunctionObject.call(Unknown Source)
at org.mozilla.javascript.Interpreter.interpretLoop(Unknown Source)
at script(魔法时代.js:962)
at org.mozilla.javascript.Interpreter.interpret(Unknown Source)
at org.mozilla.javascript.InterpretedFunction.call(Unknown Source)
at org.mozilla.javascript.ContextFactory.doTopCall(Unknown Source)
at org.mozilla.javascript.ScriptRuntime.doTopCall(Unknown Source)
at org.mozilla.javascript.InterpretedFunction.exec(Unknown Source)
at net.zhuoweizhang.mcpelauncher.ScriptManager.initJustLoadedScript(ScriptManager.java:237)
at net.zhuoweizhang.mcpelauncher.ScriptManager$ParseThread.run(ScriptManager.java:163)
at java.lang.Thread.run(Thread.java:856)
Caused by: java.lang.IllegalArgumentException: The requested block texture jnxxt3:0 does not exist
at net.zhuoweizhang.mcpelauncher.ScriptManager.verifyBlockTextures(ScriptManager.java:1106)
at net.zhuoweizhang.mcpelauncher.ScriptManager.access$1400(ScriptManager.java:47)
at net.zhuoweizhang.mcpelauncher.ScriptManager$NativeBlockApi.defineBlock(ScriptManager.java:2510)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
... 11 more
是怎么回事