diff --git a/errors_map.hpp b/errors_map.hpp
new file mode 100644
index 0000000..1389509
--- /dev/null
+++ b/errors_map.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+
+using EType = std::string;
+using Error = std::string;
+using ErrorList = std::vector<Error>;
+using ErrorMap = std::map<EType, ErrorList>;
+
+extern const ErrorMap errorMap;