java.lang.NullPointerException: null
	at java.util.Objects.requireNonNull(Objects.java:203)
	at java.util.Comparator.comparing(Comparator.java:433)
	at com.eagleinvsys.performance.processor.FixedIncomePositionAttributionResponseBuilder.buildPositionsList(FixedIncomePositionAttributionResponseBuilder.java:75)
	at com.eagleinvsys.performance.processor.FixedIncomePositionAttributionResponseBuilder.buildResponse(FixedIncomePositionAttributionResponseBuilder.java:63)
	at com.eagleinvsys.performance.service.PositionAttributionService.calculatePositionAttribution(PositionAttributionService.java:220)
	at com.eagleinvsys.performance.service.PositionAttributionService$$FastClassBySpringCGLIB$$1bdadfb1.invoke(<generated>)
	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
	at org.springframework.cache.interceptor.CacheInterceptor$1.invoke(CacheInterceptor.java:52)
	at org.springframework.cache.interceptor.CacheAspectSupport.invokeOperation(CacheAspectSupport.java:344)
	at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:407)
	at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:326)
	at org.springframework.cache.interceptor.CacheInterceptor.invoke(CacheInterceptor.java:61)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
	at com.eagleinvsys.performance.service.PositionAttributionService$$EnhancerBySpringCGLIB$$ba3c6187.calculatePositionAttribution(<generated>)
	at com.eagleinvsys.performance.service.PositionAttributionService.calculatePositionAttributionPaginated(PositionAttributionService.java:105)
	at com.eagleinvsys.performance.service.PositionAttributionService$$FastClassBySpringCGLIB$$1bdadfb1.invoke(<generated>)
	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:669)
	at com.eagleinvsys.performance.service.PositionAttributionService$$EnhancerBySpringCGLIB$$ba3c6187.calculatePositionAttributionPaginated(<generated>)
	at com.eagleinvsys.performance.controller.AttributionController.getPositionAttribution(AttributionController.java:160)