--- a/ext/vulkan/vkerror.c~     2019-04-19 10:16:36.000000000 +0100
+++ b/ext/vulkan/vkerror.c      2020-06-12 18:20:39.513065254 +0100
@@ -63,8 +63,6 @@

   if (result >= 0)
     return NULL;
-  if (result < VK_RESULT_BEGIN_RANGE)
-    return "Unknown Error";

   for (i = 0; i < G_N_ELEMENTS (vk_result_string_map); i++) {
     if (result == vk_result_string_map[i].result)
