change default behaviour to add missing provider segments on commit

source/RobotAPI/libraries/armem/core/base/CoreSegmentBase.h

@@ -140,7 +140,16 @@ namespace armarx::armem::base
             }
             else
             {
-                throw armem::error::MissingEntry("provider segment", update.entityID.providerSegmentName, getLevelName(), this->getKeyString());
+                if (_addMissingProviderSegmentDuringUpdate)
+                {
+                    // Add the missing provider segment (with this core segment's type).
+                    ProviderSegmentT& provSeg = addProviderSegment(update.entityID.providerSegmentName);
+                    return provSeg.update(update);
+                }
+                else
+                {
+                    throw armem::error::MissingEntry("provider segment", update.entityID.providerSegmentName, getLevelName(), this->getKeyString());
+                }
             }
         }
 
@@ -230,13 +239,20 @@ namespace armarx::armem::base
         {
             Base::_copySelf(other);
             other.aronType() = _aronType;
+            other._addMissingProviderSegmentDuringUpdate = _addMissingProviderSegmentDuringUpdate;
         }
         virtual void _copySelfEmpty(DerivedT& other) const override
         {
             Base::_copySelfEmpty(other);
             other.aronType() = _aronType;
+            other._addMissingProviderSegmentDuringUpdate = _addMissingProviderSegmentDuringUpdate;
         }
 
+
+    private:
+
+        bool _addMissingProviderSegmentDuringUpdate = true;
+
     };
 
 }