fix null pointer issue in JobID - 37929217

cmsWebApp/src/performa/orm/JobApplication.java

@@ -337,7 +337,7 @@ public class JobApplication extends BaseJobApplication
         Filter                          filter                  =   AssessmentCriteria.SearchByAll().andImportance(new EqualsFilter<>(Importance.ESSENTIAL));   
         Collection<AssessmentCriteria>  essentialRequirements   =   CollectionFilter.filter(getJob().getAssessmentCriteriasSet(), filter);
         
-        if(essentialRequirements.size() > 0)
+        if(essentialRequirements.size() > 0 && getRequirementAnswersByImportance().getValuesForKey(Importance.ESSENTIAL) != null)
         {
             Filter  negativeFilter  =   AssessmentCriteriaAnswer.SearchByAll().andAnswer(new EqualsFilter<>(Boolean.FALSE));