diff --git a/cml/shared/errors.py b/cml/shared/errors.py
new file mode 100644
index 0000000000000000000000000000000000000000..767d1d3198fab4e0aede48da9f5371f2a7974f4e
--- /dev/null
+++ b/cml/shared/errors.py
@@ -0,0 +1,8 @@
+
+
+class BaseError(Exception):
+    pass
+
+
+class NoModelReconstructedError(BaseError):
+    pass