java.lang.NullPointerException: null

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java.lang.NullPointerException: null	at java.util.UUID.fromString(UUID.java:225)	at org.jasig.ssp.service.impl.PlanServiceImpl.createOutput(PlanServiceImpl.java:107)	at org.jasig.ssp.service.impl.PlanServiceImpl.createOutput(PlanServiceImpl.java:55)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	at sun.proxy.$Proxy250.createOutput(Unknown Source)	at org.jasig.ssp.web.api.PlanController.print(PlanController.java:293)	at org.jasig.ssp.web.api.PlanController$$FastClassByCGLIB$$3b7c388f.invoke()	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)	at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)	at org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:64)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)	at org.jasig.ssp.web.api.PlanController$$EnhancerByCGLIB$$73f0e12a.print()