Ugly crash when Value Inferrers refer to nonexistent slots.

[michbarsinai]

SEVERE: Error executing command: edu.harvard.iq.policymodels.parser.exceptions.BadLookupException: Type Trustworthy does not have a value/sub-slot named 'noConcenrs'
java.lang.RuntimeException: edu.harvard.iq.policymodels.parser.exceptions.BadLookupException: Type Trustworthy does not have a value/sub-slot named 'noConcenrs'
	at edu.harvard.iq.policymodels.parser.decisiongraph.SetNodeValueBuilder$1.visitAtomicSlotImpl(SetNodeValueBuilder.java:52)
	at edu.harvard.iq.policymodels.model.policyspace.slots.AbstractSlot$VoidVisitor.visitSimpleSlot(AbstractSlot.java:28)
	at edu.harvard.iq.policymodels.model.policyspace.slots.AbstractSlot$VoidVisitor.visitSimpleSlot(AbstractSlot.java:25)
	at edu.harvard.iq.policymodels.model.policyspace.slots.AtomicSlot.accept(AtomicSlot.java:86)
	at edu.harvard.iq.policymodels.parser.decisiongraph.SetNodeValueBuilder.visit(SetNodeValueBuilder.java:46)
	at edu.harvard.iq.policymodels.parser.decisiongraph.ast.AstSetNode$AtomicAssignment.accept(AstSetNode.java:48)
	at edu.harvard.iq.policymodels.parser.inference.ValueInferenceParseResult.lambda$buildValueInference$8(ValueInferenceParseResult.java:86)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1510)
	at edu.harvard.iq.policymodels.parser.inference.ValueInferenceParseResult.buildValueInference(ValueInferenceParseResult.java:61)
	at edu.harvard.iq.policymodels.parser.PolicyModelLoader.load(PolicyModelLoader.java:153)
	at edu.harvard.iq.policymodels.cli.commands.LoadPolicyModelCommand.execute(LoadPolicyModelCommand.java:72)
	at edu.harvard.iq.policymodels.cli.commands.ReloadModelCommand.execute(ReloadModelCommand.java:28)
	at edu.harvard.iq.policymodels.cli.CliRunner.promptUserForAnswer(CliRunner.java:244)
	at edu.harvard.iq.policymodels.cli.CliRunner.go(CliRunner.java:170)
	at edu.harvard.iq.policymodels.mains.PolicyModelCliRunner.main(PolicyModelCliRunner.java:36)
Caused by: edu.harvard.iq.policymodels.parser.exceptions.BadLookupException: Type Trustworthy does not have a value/sub-slot named 'noConcenrs'
	... 15 more