gistfile1.diff

diff --git a/src/environment.cpp b/src/environment.cpp
index 166523a..56e7f5b 100644
--- a/src/environment.cpp
+++ b/src/environment.cpp
@@ -1698,6 +1698,9 @@ void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
 		/*infostream<<"Server: Creating an active object from "
 				<<"static data"<<std::endl;*/
 		StaticObject &s_obj = *i;
+		// Ignore objects of obsolete types (e.g. mobs from 0.3 era)
+		if (ServerActiveObject::isObsoleteType((ActiveObjectType) s_obj.type))
+			continue;
 		// Create an active object from the data
 		ServerActiveObject *obj = ServerActiveObject::create
 				((ActiveObjectType) s_obj.type, this, 0, s_obj.pos, s_obj.data);