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Class uses module, that uses another module

See original GitHub issue

Its a question. When I use LinkedListModule, its OK:

class MyClass
	use LinkedListModule

but when I use another module, that use LinkedListModule without any additional functions, members etc…

class MyClass
	use AnotherModule
	
public module AnotherModule
	use LinkedListModule

I get an error:

2017-07-03 14:46:48 INFO   progress: Translating wurst. Phase 1: to intermediate lang
2017-07-03 14:46:48 INFO   translating program to jass ... 
2017-07-03 14:46:48 INFO   progress: Translating wurst. Phase 2: translate classes
2017-07-03 14:46:48 SEVERE Error
java.lang.IllegalArgumentException: Element func must not be null.
	at de.peeeq.wurstscript.jassIm.ImFunctionCallImpl.<init>(ImFunctionCallImpl.java:10)
	at de.peeeq.wurstscript.jassIm.JassIm.ImFunctionCall(JassIm.java:112)
	at de.peeeq.wurstscript.translation.imtranslation.EliminateClasses.replaceMethodCall(EliminateClasses.java:397)
	at de.peeeq.wurstscript.translation.imtranslation.EliminateClasses.eliminateClassRelatedExprs(EliminateClasses.java:283)
	at de.peeeq.wurstscript.translation.imtranslation.EliminateClasses.eliminateClasses(EliminateClasses.java:39)
	at de.peeeq.wurstio.WurstCompilerJassImpl.transformProgToJass(WurstCompilerJassImpl.java:341)
	at de.peeeq.wurstio.languageserver.requests.RunMap.compileScript(RunMap.java:274)
	at de.peeeq.wurstio.languageserver.requests.RunMap.execute(RunMap.java:93)
	at de.peeeq.wurstio.languageserver.requests.UserRequest.run(UserRequest.java:26)
	at de.peeeq.wurstio.languageserver.LanguageWorker.lambda$getNextWorkItem$30(LanguageWorker.java:176)
	at de.peeeq.wurstio.languageserver.LanguageWorker.run(LanguageWorker.java:151)
	at java.lang.Thread.run(Unknown Source)

I dont understand why. Module cannot pass functionality through another module to my class or what? Can you explain me cause of this behaviour? Thx for help in advance