diff --git a/integrationtests/test_data/extroot/use_case_simple_presentation/cfood.yml b/integrationtests/test_data/extroot/use_case_simple_presentation/cfood.yml
index 6495e1828dc56e99459c162f7751951f880ea55c..da3c2dfe8276325c26607239071da3ccaf41a40c 100644
--- a/integrationtests/test_data/extroot/use_case_simple_presentation/cfood.yml
+++ b/integrationtests/test_data/extroot/use_case_simple_presentation/cfood.yml
@@ -25,8 +25,8 @@ extroot:
               parents:
                 - mdfile
               role: File
-              path: $DataFile
-              file: $DataFile
+              path: $DataFile_path
+              file: $DataFile_path
 
             Experiment:
               mdfile: $mdfile
diff --git a/src/caoscrawler/converters.py b/src/caoscrawler/converters.py
index 7e0603d1ae1b9f10a38e71f4d8fa883ede6877b5..e359be4f30bf971ecfe06de343cae69bb2d29ef2 100644
--- a/src/caoscrawler/converters.py
+++ b/src/caoscrawler/converters.py
@@ -578,11 +578,14 @@ class MarkdownFileConverter(SimpleFileConverter):
             header = yaml_header_tools.get_header_from_file(
                 element.path, clean=False)
         except yaml_header_tools.NoValidHeader:
-            path = generalStore[self.name]
+            if generalStore is not None and self.name in generalStore:
+                path = generalStore[self.name]
+            else:
+                path = "<path not set>"
             raise ConverterValidationError(
                 "Error during the validation (yaml header cannot be read) of the markdown file "
                 "located at the following node in the data structure:\n"
-                f"{path}\n" + err.message)
+                f"{path}")
         children: List[StructureElement] = []
 
         for name, entry in header.items():
diff --git a/unittests/test_converters.py b/unittests/test_converters.py
index d0d2e23abf02e3ff8f9641744a5d300019c4626d..c1ca9ea03c8631678f5b67cad3c33685a16cfd32 100644
--- a/unittests/test_converters.py
+++ b/unittests/test_converters.py
@@ -130,14 +130,11 @@ def test_markdown_converter(converter_registry):
         )
     )
 
-    converter = MarkdownFileConverter({
-        "match": "(.*)"
-    }, "TestMarkdownFileConverter",
-       converter_registry)
+    converter = MarkdownFileConverter({"match": "(.*)"}, "TestMarkdownFileConverter",
+                                      converter_registry)
 
-    m = converter.match(File("test_tool.py", rfp(
-        "test_tool.py")))
-    assert m is None
+    with pytest.raises(ConverterValidationError) as err:
+        converter.create_children(None, File("test_tool.py", rfp("test_tool.py")))
 
     m = converter.match(test_readme)
     assert m is not None
diff --git a/unittests/test_scalars_cfood.py b/unittests/test_scalars_cfood.py
index 1bf8f0b7d67f00f2018b5b68424d6b9cc17602eb..5e5bc998842e401edad94a2f1b3cdd5348d671b6 100644
--- a/unittests/test_scalars_cfood.py
+++ b/unittests/test_scalars_cfood.py
@@ -42,16 +42,24 @@ def test_record_structure_generation(crawler):
     subd = crawler.debug_tree[dircheckstr("DataAnalysis")]
     assert len(subd) == 2
     # variables store on Data Analysis node of debug tree
-    assert len(subd[0]) == 3
-    assert "Data" in subd[0]
-    assert "DataAnalysis" in subd[0]
-    assert "RecordThatGetsParentsLater" in subd[0]
+    if "Data" in subd[0]:
+        subddata = subd[0]
+        subdRTGPL = subd[1]
+    else:
+        subddata = subd[1]
+        subdRTGPL = subd[0]
+    print(subddata.keys())
+    assert len(subddata) == 5
+    assert "DataAnalysis" in subddata
+    assert "DataAnalysis_path" in subddata
+    assert "Data_path" in subddata
+    assert "RecordThatGetsParentsLater" in subddata
 
-    prop = subd[0]["RecordThatGetsParentsLater"].get_property("someId")
+    prop = subddata["RecordThatGetsParentsLater"].get_property("someId")
     assert type(prop.value) == int
     assert prop.value == 23
 
     # record store on Data Analysis node of debug tree
-    assert len(subd[1]) == 1
-    prop2 = subd[1]["RecordThatGetsParentsLater"].get_property("someId")
+    assert len(subdRTGPL) == 2
+    prop2 = subdRTGPL["RecordThatGetsParentsLater"].get_property("someId")
     assert prop == prop2
diff --git a/unittests/test_tool.py b/unittests/test_tool.py
index 23b35f2dc9228eeda9137945198c49c19bf5c474..4ac2b4577fbeea6f4bdf291c48ddaf0fa418b2a5 100755
--- a/unittests/test_tool.py
+++ b/unittests/test_tool.py
@@ -110,15 +110,17 @@ def ident(crawler):
 
 
 def test_record_structure_generation(crawler):
+    # TODO How does this test relate to the test function in test_scalars_cfood with the same name?
+    #      There seems to be code duplication
     subd = crawler.debug_tree[dircheckstr("DataAnalysis")]
     subc = crawler.debug_metadata["copied"][dircheckstr("DataAnalysis")]
     assert len(subd) == 2
     # variables store on Data Analysis node of debug tree
-    assert len(subd[0]) == 2
+    assert len(subd[0]) == 4
     # record store on Data Analysis node of debug tree
     assert len(subd[1]) == 0
     assert len(subc) == 2
-    assert len(subc[0]) == 2
+    assert len(subc[0]) == 4
     assert len(subc[1]) == 0
 
     # The data analysis node creates one variable for the node itself:
@@ -137,7 +139,7 @@ def test_record_structure_generation(crawler):
     assert subd[1]["Project"].get_property(
         "identifier").value == "climate-model-predict"
 
-    assert len(subd[0]) == 6
+    assert len(subd[0]) == 9
     assert subd[0]["date"] == "2020"
     assert subd[0]["identifier"] == "climate-model-predict"
     assert subd[0]["Project"].__class__ == db.Record
@@ -148,7 +150,7 @@ def test_record_structure_generation(crawler):
     assert subc[0]["project_dir"] is False
 
     # Check the copy flags for the first level in the hierarchy:
-    assert len(subc[0]) == 6
+    assert len(subc[0]) == 9
     assert len(subc[1]) == 1
     assert subc[1]["Project"] is False
     assert subc[0]["Project"] is False
@@ -161,7 +163,7 @@ def test_record_structure_generation(crawler):
     subc = crawler.debug_metadata["copied"][dircheckstr("DataAnalysis",
                                                         "2020_climate-model-predict",
                                                         "2020-02-08_prediction-errors")]
-    assert len(subd[0]) == 8
+    assert len(subd[0]) == 12
     assert subd[0]["date"] == "2020-02-08"
     assert subd[0]["identifier"] == "prediction-errors"
     assert subd[0]["Project"].__class__ == db.Record