diff --git a/mapper_errors.hpp b/mapper_errors.hpp
new file mode 100644
index 0000000..8f30f30
--- /dev/null
+++ b/mapper_errors.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <exception>
+#include <string>
+
+namespace ipmi_flash
+{
+
+class MapperException : public std::exception
+{
+  public:
+    explicit MapperException(const std::string& message) : message(message)
+    {
+    }
+
+    virtual const char* what() const noexcept override
+    {
+        return message.c_str();
+    }
+
+  private:
+    std::string message;
+};
+
+} // namespace ipmi_flash