diff --git a/createreadmes.py b/createreadmes.py
index 4e20ed3..280f11e 100644
--- a/createreadmes.py
+++ b/createreadmes.py
@@ -93,11 +93,13 @@ properties:
           items:
             type: integer""")
 
-def check_security_rules(security_rules: dict[Any, Any]) -> dict[int, SecurityRule]:
+def check_security_rules(security_rules: dict[Any, Any] | None) -> dict[int, SecurityRule]:
+    if security_rules is None:
+        raise Exception("Security rules file is empty!")
     for n in range(1, 19):
         try:
             rule = security_rules.get(n, None)
-            if rule is None: raise Exception('No result for rule {}'.format(n))
+            if rule is None: raise jsonschema.ValidationError('Rule {} is not evaluated'.format(n))
             jsonschema.validate(rule, rule_schema)
         except jsonschema.ValidationError as e:
             error("Security rule {n}: {msg} at $.{n}.{path}".format(n=n, msg=e.message, path=e.json_path))
@@ -139,7 +141,7 @@ def write_model_readmes(dataset: dict[str, Any]):
         info['forks'] = forks
         info['owner_name'] = owner_name
         info['owner_slug'] = owner_slug
-        security_rules_file = dir / 'security_rules.yaml'
+        security_rules_file = dataset_path / model_id / 'security_rules.yaml'
         try:
             with open(security_rules_file, 'r') as f:
                 security_rules = yaml.safe_load(f)
@@ -147,6 +149,9 @@ def write_model_readmes(dataset: dict[str, Any]):
         except FileNotFoundError:
             warning("Security rules file not found at {}".format(security_rules_file))
             security_rules = {}
+        except Exception as e:
+            warning("Security rules file at {} is invalid: {}".format(security_rules_file, e))
+            security_rules = {}
         print(f"Writing readme file {readme}")
         dir.mkdir(exist_ok=True)
         with open(readme, 'w', encoding="utf-8") as f:
@@ -184,14 +189,14 @@ Total Items | {info['t']}
 
 ### Diagram
 
-The below diagram is generated from the corresponding [model file](/dataset/{model_id}/{model_id}.py).
+The below diagram is generated from the corresponding [model file](../../dataset/{model_id}/{model_id}.py).
 
 Formats:
-- [PlantUML Model](/dataset/{model_id}/{model_id}/{model_id}.txt)
-- [SVG Vector Image](/dataset/{model_id}/{model_id}/{model_id}.svg)
-- [PNG Raster Image](/dataset/{model_id}/{model_id}/{model_id}.png)
+- [PlantUML Model](../../dataset/{model_id}/{model_id}/{model_id}.txt)
+- [SVG Vector Image](../../dataset/{model_id}/{model_id}/{model_id}.svg)
+- [PNG Raster Image](../../dataset/{model_id}/{model_id}/{model_id}.png)
 
-![Data Flow Diagram](/dataset/{model_id}/{model_id}/{model_id}.svg)""")
+![Data Flow Diagram](../../dataset/{model_id}/{model_id}/{model_id}.svg)""")
 
 def write_root_readme(dataset: dict[str, Any]):
     print(f"Writing main readme file")