diff --git a/src/Mod/Part/App/FeatureExtrusion.cpp b/src/Mod/Part/App/FeatureExtrusion.cpp
index 66c6229ed5..183b4d7558 100644
--- a/src/Mod/Part/App/FeatureExtrusion.cpp
+++ b/src/Mod/Part/App/FeatureExtrusion.cpp
@@ -737,9 +737,12 @@ void Extrusion::createTaperedPrismOffset(TopoDS_Wire sourceWire,
     }
     if (offsetShape.IsNull()) {
         if (isSecond)
-            Base::Console().Error("Extrusion: end face of tapered against extrusion is empty\n");
+            Base::Console().Error("Extrusion: end face of tapered against extrusion is empty\n" \
+                                  "This means most probably that the against taper angle is too large or small.\n");
         else
-            Base::Console().Error("Extrusion: end face of tapered along extrusion is empty\n");
+            Base::Console().Error("Extrusion: end face of tapered along extrusion is empty\n" \
+                                  "This means most probably that the along taper angle is too large or small.\n");
+        Standard_Failure::Raise("Extrusion: end face of tapered extrusion is empty");
     }
     // assure we return a wire and no edge
     TopAbs_ShapeEnum type = offsetShape.ShapeType();
@@ -757,10 +760,10 @@ void Extrusion::createTaperedPrismOffset(TopoDS_Wire sourceWire,
         result = TopoDS_Wire();
         if (isSecond)
             Base::Console().Error("Extrusion: type of against extrusion end face is not supported.\n" \
-                "This means most probably that the against taper angle is too large.\n");
+                "This means most probably that the against taper angle is too large or small.\n");
         else
             Base::Console().Error("Extrusion: type of along extrusion is not supported.\n" \
-                "This means most probably that the along taper angle is too large.\n");
+                "This means most probably that the along taper angle is too large or small.\n");
     }
 }