Improve schema error messages

servers/slapd/schemaparse.c

@@ -25,8 +25,8 @@ static char *const err2text[] = {
 	"Success",
 	"Out of memory",
 	"ObjectClass not found",
-	"ObjectClass inappropriate SUPerior",
-	"ObjectClass operational",
+	"user-defined ObjectClass has inappropriate SUPerior",
+	"user-defined ObjectClass includes operational attributes",
 	"Duplicate objectClass",
 	"AttributeType not found",
 	"AttributeType inappropriate USAGE",