#define BLOCK_NULL 1001
#define BLOCK_INVALID_TYPE 1002
+
// exceptions for interfaces manipulations
#define IFACE_NULL 2001
#define IFACE_INVALID_TYPE 2002
#define IFACE_MULTIPLICITY_REACHED 2003
+#define IFACE_BLOCK_NOCLKRST 2004
+#define IFACE_GROUP_NOCLKRST 2005
+#define IFACE_TOP_NOCLKRSTGEN 2006
// exceptions for block items manipulations
#define BLOCKITEM_NULL 3001
