diff --git a/ui5/eve7/lib/EveScene.js b/ui5/eve7/lib/EveScene.js
index 571eaff17ecc9dd8b8e8d93ae65d9e1dbbfed235..c34ed893ba7b10543b29c6b0b6e22ea05cb88a0c 100644
--- a/ui5/eve7/lib/EveScene.js
+++ b/ui5/eve7/lib/EveScene.js
@@ -31,34 +31,36 @@ sap.ui.define(['rootui5/eve7/lib/EveManager'], function(EveManager) {
    // Render object creation / management
    //==============================================================================
 
-   EveScene.prototype.makeGLRepresentation = function(elem)
-   {
-      if ( ! elem.render_data) return null;
+   EveScene.prototype.makeGLRepresentation = function (elem) {
+      if (!elem.render_data) return null;
 
-      let fname = elem.render_data.rnr_func;
-      let obj3d = this.creator[fname](elem, elem.render_data);
+      try {
+         let fname = elem.render_data.rnr_func;
+         let obj3d = this.creator[fname](elem, elem.render_data);
 
-      if (obj3d)
-      {
-         // MT ??? why?, it can really be anything, even just container Object3D
-         obj3d._typename = "THREE.Mesh";
+         if (obj3d) {
+            // MT ??? why?, it can really be anything, even just container Object3D
+            obj3d._typename = "THREE.Mesh";
 
-         // add reference to a streamed eve element to obj3d
-         obj3d.eve_el = elem;
+            // add reference to a streamed eve element to obj3d
+            obj3d.eve_el = elem;
 
-         // SL: this is just identifier for highlight, required to show items on other places, set in creator
-         obj3d.geo_object = elem.fMasterId || elem.fElementId;
-         obj3d.geo_name   = elem.fName; // used for highlight
-         obj3d.scene  = this; // required for get changes when highlight/selection is changed
+            // SL: this is just identifier for highlight, required to show items on other places, set in creator
+            obj3d.geo_object = elem.fMasterId || elem.fElementId;
+            obj3d.geo_name = elem.fName; // used for highlight
+            obj3d.scene = this; // required for get changes when highlight/selection is changed
 
-         if (elem.render_data.matrix)
-         {
-            obj3d.matrixAutoUpdate = false;
-            obj3d.matrix.fromArray( elem.render_data.matrix );
-            obj3d.updateMatrixWorld(true);
-         }
+            if (elem.render_data.matrix) {
+               obj3d.matrixAutoUpdate = false;
+               obj3d.matrix.fromArray(elem.render_data.matrix);
+               obj3d.updateMatrixWorld(true);
+            }
 
-         return obj3d;
+            return obj3d;
+         }
+      }
+      catch (e) {
+         console.error("makeGLRepresentation", e);
       }
    }
 
@@ -197,28 +199,32 @@ sap.ui.define(['rootui5/eve7/lib/EveManager'], function(EveManager) {
       if (el.fMasterId) this.mid2obj_map.set(el.fMasterId, obj3d);
    }
 
-   EveScene.prototype.replaceElement = function(el)
-   {
-      if ( ! this.glctrl) return;
+   EveScene.prototype.replaceElement = function (el) {
+      if (!this.glctrl) return;
 
-      let obj3d = this.getObj3D(el.fElementId);
-      let all_ancestor_children_visible = obj3d.all_ancestor_children_visible;
-      let visible = obj3d.visible;
+      try {
+         let obj3d = this.getObj3D(el.fElementId);
+         let all_ancestor_children_visible = obj3d.all_ancestor_children_visible;
+         let visible = obj3d.visible;
 
-      let container = this.glctrl.getSceneContainer("scene" + this.id);
+         let container = this.glctrl.getSceneContainer("scene" + this.id);
 
-      container.remove(obj3d);
+         container.remove(obj3d);
 
-      obj3d = this.makeGLRepresentation(el);
-      obj3d.all_ancestor_children_visible = all_ancestor_children_visible;
-      obj3d.visible = visible;
-      container.add(obj3d);
+         obj3d = this.makeGLRepresentation(el);
+         obj3d.all_ancestor_children_visible = all_ancestor_children_visible;
+         obj3d.visible = visible;
+         container.add(obj3d);
 
 
-      this.id2obj_map.set(el.fElementId, obj3d);
-      if (el.fMasterId) this.mid2obj_map.set(el.fMasterId, obj3d);
+         this.id2obj_map.set(el.fElementId, obj3d);
+         if (el.fMasterId) this.mid2obj_map.set(el.fMasterId, obj3d);
 
-      this.glctrl.viewer.render();
+         this.glctrl.viewer.render();
+      }
+      catch (e) {
+         console.error("replace element", e);
+      }
    }
 
    EveScene.prototype.elementRemoved = function()