Changed error level for groups in scenario checker to Error (instead of...

Changed error level for groups in scenario checker to Error (instead of Warning) since it leads to unwanted behavior / ignoring of parameters.

VadereSimulator/src/org/vadere/simulator/utils/scenariochecker/checks/simulation/GroupSetupCheck.java

@@ -39,7 +39,7 @@ public class GroupSetupCheck extends AbstractScenarioCheck {
                 // check if submodel was added
                 boolean contains_submodel = attr_osm.getSubmodels().stream().anyMatch(submodel -> submodel.equals(CentroidGroupModel.class.getName()));
                 if(!contains_submodel) {
-                    ret.add(msgBuilder.simulationAttrWarning()
+                    ret.add(msgBuilder.simulationAttrError()
                             .reason(ScenarioCheckerReason.GROUP_SETUP_IGNORED, "CentroidGroupModel has to be added to the submodels of the Optimal Steps Model in order to simulate groups. Group settings will be ignored!")
                             .build());
                 }
@@ -47,13 +47,13 @@ public class GroupSetupCheck extends AbstractScenarioCheck {
                 // check if CGM attributes were added
                 boolean contains_attr = scenario.getModelAttributes().stream().anyMatch(attr -> attr.getClass().equals(AttributesCGM.class));
                 if(!contains_attr){
-                    ret.add(msgBuilder.simulationAttrWarning()
+                    ret.add(msgBuilder.simulationAttrError()
                             .reason(ScenarioCheckerReason.GROUP_SETUP_IGNORED, "AttributesCGM need to be added to the models and configured in order to simulate groups. Group settings will be ignored!")
                             .build());
                 }
 
             }else{
-                ret.add(msgBuilder.simulationAttrWarning()
+                ret.add(msgBuilder.simulationAttrError()
                         .reason(ScenarioCheckerReason.GROUP_SETUP_IGNORED, "Group setup works currently only with the Optimal Steps Model. Group settings will be ignored! ")
                         .build());
             }