diff --git a/capella2polarion/elements/element.py b/capella2polarion/elements/element.py
index 616065ed..9b95df21 100644
--- a/capella2polarion/elements/element.py
+++ b/capella2polarion/elements/element.py
@@ -11,7 +11,12 @@
 import polarion_rest_api_client as polarion_api
 from capellambse.model import common
 
-from capella2polarion.elements import POL2CAPELLA_TYPES, api_helper, serialize
+from capella2polarion.elements import (
+    POL2CAPELLA_TYPES,
+    api_helper,
+    helpers,
+    serialize,
+)
 
 logger = logging.getLogger(__name__)
 
@@ -23,22 +28,33 @@
 
 def create_work_items(ctx: dict[str, t.Any]) -> None:
     """Create a set of work items in Polarion."""
-
-    def serialize_for_create(
-        obj: common.GenericElement,
-    ) -> serialize.CapellaWorkItem | None:
-        logger.debug(
-            "Create work item for model element %r...", obj._short_repr_()
-        )
-        return serialize.element(obj, ctx, serialize.generic_work_item)
-
     objects = chain.from_iterable(ctx["ELEMENTS"].values())
-    work_items = [
-        serialize_for_create(obj)
+    _work_items = [
+        serialize.element(obj, ctx, serialize.generic_work_item)
         for obj in objects
         if obj.uuid not in ctx["POLARION_ID_MAP"]
     ]
-    work_items = list(filter(None.__ne__, work_items))
+    _work_items = list(filter(None.__ne__, _work_items))
+    valid_types = set(map(helpers.resolve_element_type, set(ctx["ELEMENTS"])))
+    work_items: list[polarion_api.CapellaWorkItem] = []
+    missing_types: set[str] = set()
+    for work_item in _work_items:
+        assert work_item is not None
+        if work_item.type in valid_types:
+            work_items.append(work_item)
+        else:
+            missing_types.add(work_item.type)
+    logger.debug(
+        "%r are missing in the capella2polarion configuration",
+        ", ".join(missing_types),
+    )
+
+    for work_item in work_items:
+        assert work_item is not None
+        obj = ctx["MODEL"].by_uuid(work_item.uuid_capella)
+        logger.debug(
+            "Create work item for model element %r...", obj._short_repr_()
+        )
     if work_items:
         try:
             ctx["API"].create_work_items(work_items)
diff --git a/capella2polarion/elements/serialize.py b/capella2polarion/elements/serialize.py
index 34f6491b..b5f5131a 100644
--- a/capella2polarion/elements/serialize.py
+++ b/capella2polarion/elements/serialize.py
@@ -115,7 +115,7 @@ def _generic_work_item(
 ) -> CapellaWorkItem:
     xtype = ctx["POLARION_TYPE_MAP"].get(obj.uuid, type(obj).__name__)
     raw_description = getattr(obj, "description", markupsafe.Markup(""))
-    uuids, value = _sanitize_description(raw_description, ctx)
+    uuids, value = _sanitize_description(obj, raw_description, ctx)
     ctx.setdefault("DESCR_REFERENCES", {})[obj.uuid] = uuids
     return CapellaWorkItem(
         type=helpers.resolve_element_type(xtype),
@@ -128,7 +128,7 @@ def _generic_work_item(
 
 
 def _sanitize_description(
-    descr: markupsafe.Markup, ctx: dict[str, t.Any]
+    obj: common.GenericElement, descr: markupsafe.Markup, ctx: dict[str, t.Any]
 ) -> tuple[list[str], markupsafe.Markup]:
     referenced_uuids: list[str] = []
     replaced_markup = RE_DESCR_LINK_PATTERN.sub(
@@ -151,7 +151,11 @@ def repair_images(node: etree._Element) -> None:
                 b64_img = base64.b64encode(img.read()).decode("utf8")
                 node.attrib["src"] = f"data:{mime_type};base64,{b64_img}"
         except FileNotFoundError:
-            logger.error("Inline image can't be found from %r", file_path)
+            logger.error(
+                "Inline image can't be found from %r for %r",
+                file_path,
+                obj._short_repr_(),
+            )
 
     repaired_markup = chelpers.process_html_fragments(
         replaced_markup, repair_images
diff --git a/tests/test_elements.py b/tests/test_elements.py
index cacf4fd7..b0907f7c 100644
--- a/tests/test_elements.py
+++ b/tests/test_elements.py
@@ -189,6 +189,8 @@ def context() -> dict[str, t.Any]:
     def test_create_work_items(
         monkeypatch: pytest.MonkeyPatch, context: dict[str, t.Any]
     ):
+        context["MODEL"] = model = mock.MagicMock()
+        model.by_uuid.side_effect = context["ELEMENTS"]["FakeModelObject"]
         monkeypatch.setattr(
             serialize,
             "generic_work_item",