diff --git a/PyTeX/build/pytex_file/pytex_file.py b/PyTeX/build/pytex_file/pytex_file.py
index 110b848..2eabb7f 100644
--- a/PyTeX/build/pytex_file/pytex_file.py
+++ b/PyTeX/build/pytex_file/pytex_file.py
@@ -32,7 +32,10 @@ class PyTeXSourceFile:
         return files
 
     def format(self) -> Optional[List[Tuple[RelativePath, Dict]]]:
-        configs = self._formatter.format(GlobalPyTeXConfig.target_root())
+        try:
+            configs = self._formatter.format(GlobalPyTeXConfig.target_root())
+        except Exception as e:
+            raise e  # TODO
         configs = [
             (self._relative_path.with_name(filename), config)
             for [filename, config] in configs