diff --git a/oxrlib/errors.py b/oxrlib/errors.py
new file mode 100644
index 0000000000000000000000000000000000000000..242d553f7a65a4dd3f87133c609607f2c09aef7f
--- /dev/null
+++ b/oxrlib/errors.py
@@ -0,0 +1,5 @@
+class LoaderError(Exception): pass
+class LoaderNoDataError(LoaderError): pass
+class LoaderBadRequestError(LoaderError): pass
+class LoaderSourceError(LoaderError): pass
+class NoLoadersError(Exception): pass