fix: bring through error message to exception (#1037)

Author: amfage

topo_processor/metadata/metadata_loaders/metadata_loader_repo.py

@@ -31,7 +31,7 @@ def load_metadata(self, asset: Optional[Asset] = None) -> None:
                     if asset:
                         asset.add_error(str(e), loader.name, e)
                     get_log().error("Metadata Load Failed", error=e, loader=loader.name)
-                    raise Exception("Metadata Load Failed") from e
+                    raise Exception(f"Metadata Load Failed: {e}")
                 get_log().debug(
                     "Metadata Loaded",
                     loader=loader.name,