[Minor] Improve debug

diff --git a/src/lua/lua_tensor.c b/src/lua/lua_tensor.c
index 960fc31e012cdefbc53ff0b97d3d9a3217c47a72..9731b17c7df67b76e46a6a80afe2f07a374747d2 100644 (file)
--- a/src/lua/lua_tensor.c
+++ b/src/lua/lua_tensor.c
@@ -578,7 +578,7 @@ lua_tensor_load (lua_State *L)
                }
        }
        else {
-               return luaL_error (L, "invalid arguments");
+               return luaL_error (L, "invalid arguments; sz = %d", (int)sz);
        }
 
        return 1;