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java.lang.NullPointerException at msi.gaml.architecture.simplebdi.SimpleBdiArchitecture.updateNormViolation(SimpleBdiArchitecture.java:5715) at msi.gaml.architecture.simplebdi.SimpleBdiArchitecture.executeOn(SimpleBdiArchitecture.java:352) at msi.gama.runtime.ExecutionScope.execute(ExecutionScope.java:380) at msi.gama.metamodel.agent.AbstractAgent.doStep(AbstractAgent.java:278) at msi.gama.metamodel.agent.MinimalAgent.doStep(MinimalAgent.java:225) at msi.gama.metamodel.agent.AbstractAgent.step(AbstractAgent.java:249) at msi.gama.runtime.ExecutionScope.lambda$1(ExecutionScope.java:426) at msi.gama.runtime.ExecutionScope.runAndCatch(ExecutionScope.java:459) at msi.gama.runtime.ExecutionScope.pushRunAndCatch(ExecutionScope.java:450) at msi.gama.runtime.ExecutionScope.step(ExecutionScope.java:426) at msi.gama.runtime.concurrent.GamaExecutorService.doStep(GamaExecutorService.java:179) at msi.gama.runtime.concurrent.GamaExecutorService.step(GamaExecutorService.java:154) at msi.gama.metamodel.population.GamaPopulation.stepAgents(GamaPopulation.java:176) at msi.gama.metamodel.population.GamaPopulation.step(GamaPopulation.java:171) at msi.gama.runtime.ExecutionScope.lambda$2(ExecutionScope.java:427) at msi.gama.runtime.ExecutionScope.runAndCatch(ExecutionScope.java:459) at msi.gama.runtime.ExecutionScope.step(ExecutionScope.java:427) at msi.gama.metamodel.agent.GamlAgent.stepSubPopulations(GamlAgent.java:94) at msi.gama.metamodel.agent.AbstractAgent.doStep(AbstractAgent.java:278) at msi.gama.metamodel.agent.MinimalAgent.doStep(MinimalAgent.java:225) at msi.gama.metamodel.agent.AbstractAgent.step(AbstractAgent.java:249) at msi.gama.runtime.concurrent.SimulationRunner.lambda$0(SimulationRunner.java:30) at msi.gama.runtime.concurrent.SimulationRunner.lambda$1(SimulationRunner.java:54) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)