Caused by: java.lang.NullPointerException: null
	at org.camunda.spin.impl.json.jackson.format.ListJacksonJsonTypeDetector.constructType(ListJacksonJsonTypeDetector.java:39) ~[zymer-camunda-spin-dataformat-all-1.4.0.jar:1.4.0]
	at org.camunda.spin.impl.json.jackson.format.ListJacksonJsonTypeDetector.constructType(ListJacksonJsonTypeDetector.java:36) ~[zymer-camunda-spin-dataformat-all-1.4.0.jar:1.4.0]
	at org.camunda.spin.impl.json.jackson.format.ListJacksonJsonTypeDetector.detectType(ListJacksonJsonTypeDetector.java:27) ~[zymer-camunda-spin-dataformat-all-1.4.0.jar:1.4.0]
	at org.camunda.spin.impl.json.jackson.format.JacksonJsonDataFormat.getCanonicalTypeName(JacksonJsonDataFormat.java:144) ~[zymer-camunda-spin-dataformat-all-1.4.0.jar:1.4.0]
	at org.camunda.spin.impl.json.jackson.format.JacksonJsonDataFormatMapper.getCanonicalTypeName(JacksonJsonDataFormatMapper.java:46) ~[zymer-camunda-spin-dataformat-all-1.4.0.jar:1.4.0]
	at org.camunda.spin.plugin.impl.SpinObjectValueSerializer.getTypeNameForDeserialized(SpinObjectValueSerializer.java:60) ~[camunda-engine-plugin-spin-7.8.0.jar:7.8.0]
	at org.camunda.bpm.engine.impl.variable.serializer.AbstractObjectValueSerializer.getObjectTypeName(AbstractObjectValueSerializer.java:54) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.variable.serializer.AbstractObjectValueSerializer.writeToValueFields(AbstractObjectValueSerializer.java:40) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.variable.serializer.AbstractObjectValueSerializer.writeToValueFields(AbstractObjectValueSerializer.java:28) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.variable.serializer.AbstractSerializableValueSerializer.writeValue(AbstractSerializableValueSerializer.java:64) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.variable.serializer.AbstractSerializableValueSerializer.writeValue(AbstractSerializableValueSerializer.java:27) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.util.TypedValueField.writeValue(TypedValueField.java:160) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.util.TypedValueField.setValue(TypedValueField.java:120) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.<init>(VariableInstanceEntity.java:118) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.create(VariableInstanceEntity.java:136) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntityFactory.build(VariableInstanceEntityFactory.java:27) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntityFactory.build(VariableInstanceEntityFactory.java:21) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.core.variable.scope.AbstractVariableScope.setVariableLocal(AbstractVariableScope.java:330) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.core.variable.scope.AbstractVariableScope.setVariable(AbstractVariableScope.java:307) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.core.variable.scope.AbstractVariableScope.setVariable(AbstractVariableScope.java:289) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.core.variable.mapping.OutputParameter.execute(OutputParameter.java:48) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.core.variable.mapping.IoParameter.execute(IoParameter.java:47) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.core.variable.mapping.IoMapping.executeOutputParameters(IoMapping.java:41) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.destroy(ExecutionEntity.java:511) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]
	at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionDestroyScope.execute(PvmAtomicOperationTransitionDestroyScope.java:65) ~[camunda-engine-7.8.0-ee.jar:7.8.0-ee]