diff --git a/src/main/java/ipos/project/UseCaseController/Administration.java b/src/main/java/ipos/project/UseCaseController/Administration.java
index ae0dd08a0e2463c247b5c5e697312267a5974553..1ca7f8f1c64bedf8a811d34b71a35deaa9ebe763 100644
--- a/src/main/java/ipos/project/UseCaseController/Administration.java
+++ b/src/main/java/ipos/project/UseCaseController/Administration.java
@@ -79,17 +79,16 @@ public class Administration {
      * Function recursively transforms a placing into a ROOT-placing. In each step the placing
      * is transformed in a placing of the SRS that the origin of its current SRS has been defined
      * in. Recursion is stopped after obtaining a ROOT-placing.
-     * @param placing
+     * @param placingToBeTransformed
      */
-    public static void transformToRootCoordinates(Placing placing) {
-        if (isNotRootPosition(placing.getPosition())) {
-            Position positionToBeTransformed = placing.getPosition();
-            ReferenceSystem nextTransformationGoal_SRS = positionToBeTransformed.getReferenceSystem().getOrigin().getPosition().getReferenceSystem();
-            LOG.info("INDFRO-DEBUG: (before) ReferenceSystem: " + positionToBeTransformed.getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placing));
-            SRSConversion.switchSRS(positionToBeTransformed, nextTransformationGoal_SRS); // assumption: not only position is changed but also ReferenceSystem-object is updated
-            LOG.info("INDFRO-DEBUG: (after) ReferenceSystem: " + positionToBeTransformed.getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placing));
+    public static void transformToRootCoordinates(Placing placingToBeTransformed) {
+        if (isNotRootPosition(placingToBeTransformed.getPosition())) {
+            ReferenceSystem nextTransformationGoal_SRS = placingToBeTransformed.getPosition().getReferenceSystem().getOrigin().getPosition().getReferenceSystem();
+            LOG.info("INDFRO-DEBUG: (before) ReferenceSystem: " + placingToBeTransformed.getPosition().getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placingToBeTransformed));
+            SRSConversion.switchSRS(placingToBeTransformed, nextTransformationGoal_SRS); // assumption: not only position is changed but also ReferenceSystem-object is updated
+            LOG.info("INDFRO-DEBUG: (after) ReferenceSystem: " + placingToBeTransformed.getPosition().getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placingToBeTransformed));
             LOG.info("INDFRO-DEBUG:");
-            transformToRootCoordinates(placing); // recursion stops when placing.getPosition() has been transformed in a ROOT-position
+            transformToRootCoordinates(placingToBeTransformed); // recursion stops when placing.getPosition() has been transformed in a ROOT-position
         }
     }
 
@@ -175,9 +174,9 @@ public class Administration {
 
     private static void transformPlacingSuccessively(Placing placingToBeTransformed, List<ReferenceSystem> transformationTargets) {
         for (ReferenceSystem transTarget : transformationTargets){
-            LOG.info("INDFRO-DEBUG: (before) ReferenceSystem: " + positionToBeTransformed.getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placing));
+            LOG.info("INDFRO-DEBUG: (before) ReferenceSystem: " + placingToBeTransformed.getPosition().getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placingToBeTransformed));
             SRSConversion.switchSRS(placingToBeTransformed, transTarget);
-            LOG.info("INDFRO-DEBUG: (after) ReferenceSystem: " + positionToBeTransformed.getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placing));
+            LOG.info("INDFRO-DEBUG: (after) ReferenceSystem: " + placingToBeTransformed.getPosition().getReferenceSystem().getId() + "; Position: " + PositionMonitoring.logPosition(placingToBeTransformed));
         }
     }
 }