diff --git a/luxonis_ml/data/datasets/annotation.py b/luxonis_ml/data/datasets/annotation.py
index a7b36a2a..adb0f92e 100644
--- a/luxonis_ml/data/datasets/annotation.py
+++ b/luxonis_ml/data/datasets/annotation.py
@@ -498,7 +498,7 @@ def validate_path(cls, path: FilePath) -> FilePath:
             np.load(path)
         except Exception as e:
             raise ValueError(
-                f"Failed to load array annotation from {path}"
+                f"Failed to load array annotation from {path}. {str(e)}"
             ) from e
         return path