org.griphyn.vdl.karajan.CompilationException: Failed to convert .xml to .kml for test_run.swift
	at org.griphyn.vdl.karajan.Loader.compile(Loader.java:359)
	at org.griphyn.vdl.karajan.Loader.main(Loader.java:165)
Caused by: java.util.NoSuchElementException: no such attribute: refs in template context [iterate]
	at org.antlr.stringtemplate.StringTemplate.rawSetAttribute(StringTemplate.java:643)
	at org.antlr.stringtemplate.StringTemplate.setAttribute(StringTemplate.java:539)
	at org.griphyn.vdl.engine.VariableScope.setCount(VariableScope.java:758)
	at org.griphyn.vdl.engine.VariableScope.setLoopReferenceCount(VariableScope.java:685)
	at org.griphyn.vdl.engine.VariableScope.addLoopReferenceCount(VariableScope.java:883)
	at org.griphyn.vdl.engine.VariableScope.incWaitCount(VariableScope.java:814)
	at org.griphyn.vdl.engine.VariableScope.incWaitCount(VariableScope.java:818)
	at org.griphyn.vdl.engine.VariableScope.partialClose(VariableScope.java:632)
	at org.griphyn.vdl.engine.VariableScope.setVariableWrittenToInThisScope(VariableScope.java:849)
	at org.griphyn.vdl.engine.VariableScope.addWriter(VariableScope.java:617)
	at org.griphyn.vdl.engine.Karajan.assign(Karajan.java:579)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:656)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.foreachStat(Karajan.java:977)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:665)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.iterateStat(Karajan.java:933)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:668)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.iterateStat(Karajan.java:933)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:668)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.foreachStat(Karajan.java:977)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:665)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.foreachStat(Karajan.java:977)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:665)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.iterateStat(Karajan.java:933)
	at org.griphyn.vdl.engine.Karajan.statement(Karajan.java:668)
	at org.griphyn.vdl.engine.Karajan.statements(Karajan.java:625)
	at org.griphyn.vdl.engine.Karajan.program(Karajan.java:366)
	at org.griphyn.vdl.engine.Karajan.compile(Karajan.java:138)
	at org.griphyn.vdl.karajan.Loader.compile(Loader.java:340)
	... 1 more
Could not start execution:
	org.griphyn.vdl.karajan.CompilationException: Failed to convert .xml to .kml for test_run.swift:
	java.util.NoSuchElementException: no such attribute: refs in template context [iterate]