--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/states/DistanceOnlyPartSelect.java	Thu Aug 02 17:49:32 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/DistanceOnlyPartSelect.java	Thu Aug 02 19:20:38 2018 +0200
@@ -9,6 +9,7 @@
 package org.dive4elements.river.artifacts.states;
 
 import org.apache.log4j.Logger;
+import org.dive4elements.artifacts.Artifact;
 import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.river.artifacts.resources.Resources;
 
@@ -27,4 +28,9 @@
         return Resources.getMsg(context.getMeta(), "state.title.distance_part_state");
     }
 
+    @Override
+    public boolean validate(final Artifact artifact) {
+        return true; // validation on client side!
+    }
+
 }