1 files changed, 9 insertions, 0 deletions

diff --git a/include/opkele/exception.h b/include/opkele/exception.h
index 0150e6b..753a818 100644
--- a/include/opkele/exception.h
+++ b/include/opkele/exception.h
@@ -212,6 +212,15 @@ namespace opkele {
                 : exception(OPKELE_E_CONS) { }
     };
 
+    /**
+     * internal error, indicates internal libopkele problem
+     */
+    class internal_error : public exception {
+        public:
+            internal_error(OPKELE_E_PARS)
+                : exception(OPKELE_E_CONS) { }
+    };
+
 }
 
 #endif /* __OPKELE_EXCEPTION_H */