diff --git a/deerith_engine_client/src/world/server_communication.cpp b/deerith_engine_client/src/world/server_communication.cpp
index 14bcf74..68bf44f 100644
--- a/deerith_engine_client/src/world/server_communication.cpp
+++ b/deerith_engine_client/src/world/server_communication.cpp
@@ -49,6 +49,11 @@ void deerith::process_packet(deerith::sync_entities_coordinates_packet_t &packet
 {
     for (int i = 0; i < packet.entities_ids.size(); i++)
     {
+        if (!exists_network_entity_with_id(packet.entities_ids[i]))
+        {
+            continue;
+        }
+
         entity_t entity = get_network_entity_with_id(packet.entities_ids[i]);
         entity_sync_coordinates_t &sync_coords = get_component<entity_sync_coordinates_t>(entity);
 
diff --git a/deerith_engine_core/include/deerith/world/world_core.h b/deerith_engine_core/include/deerith/world/world_core.h
index 3367153..04a5449 100644
--- a/deerith_engine_core/include/deerith/world/world_core.h
+++ b/deerith_engine_core/include/deerith/world/world_core.h
@@ -38,4 +38,5 @@ namespace deerith
     entity_network_id_t &add_entity_network_id(entity_t ent);
     entity_network_id_t &add_entity_network_with_id(entity_t ent, id_t id);
     entity_t get_network_entity_with_id(id_t id);
+    bool exists_network_entity_with_id(id_t id);
 }
diff --git a/deerith_engine_core/src/world.cpp b/deerith_engine_core/src/world.cpp
index f11390e..75d05c4 100644
--- a/deerith_engine_core/src/world.cpp
+++ b/deerith_engine_core/src/world.cpp
@@ -42,4 +42,9 @@ deerith::entity_network_id_t &deerith::add_entity_network_with_id(entity_t ent,
 deerith::entity_t deerith::get_network_entity_with_id(id_t id)
 {
     return network_entities[id];
+}
+
+bool deerith::exists_network_entity_with_id(id_t id)
+{
+    return network_entities.contains(id);
 }
\ No newline at end of file
diff --git a/imgui.ini b/imgui.ini
new file mode 100644
index 0000000..9930887
--- /dev/null
+++ b/imgui.ini
@@ -0,0 +1,4 @@
+[Window][Debug##Default]
+Pos=60,60
+Size=400,400
+