diff --git a/include/igloo/error.h b/include/igloo/error.h
index 01267d5..48f3eb8 100644
--- a/include/igloo/error.h
+++ b/include/igloo/error.h
@@ -40,8 +40,24 @@ typedef struct {
     const char *description;
 } igloo_error_desc_t;
 
-#define igloo_ERROR_GENERIC         ((igloo_error_t)-1)
-#define igloo_ERROR_NONE            ((igloo_error_t)0)
+#define igloo_ERROR_GENERIC         ((igloo_error_t)-1) /* Generic error: A generic error occurred. */
+#define igloo_ERROR_NONE            ((igloo_error_t)0)  /* No error: The operation succeeded. */
+
+#define igloo_ERROR_FAULT           ((igloo_error_t)1)  /* Invalid address */
+#define igloo_ERROR_INVAL           ((igloo_error_t)2)  /* Invalid argument */
+#define igloo_ERROR_BUSY            ((igloo_error_t)3)  /* Device or resource busy */
+#define igloo_ERROR_AGAIN           ((igloo_error_t)4)  /* Try again later */
+#define igloo_ERROR_NOMEM           ((igloo_error_t)5)  /* Not enough space: Memory allocation failed. */
+#define igloo_ERROR_NOENT           ((igloo_error_t)6)  /* Node does not exist: File, directory, object, or node does not exist. */
+#define igloo_ERROR_EXIST           ((igloo_error_t)7)  /* Node exists: Object, or node already exists. */
+#define igloo_ERROR_PERM            ((igloo_error_t)8)  /* Operation not permitted */
+#define igloo_ERROR_CONNECTED       ((igloo_error_t)9)  /* Already connected: The operation can not be completed while object is connected. */
+#define igloo_ERROR_UNCONNECTED     ((igloo_error_t)10) /* Unconnected: The operation can not be completed while object is not connected. */
+#define igloo_ERROR_IO              ((igloo_error_t)11) /* Input/output error */
+#define igloo_ERROR_CANNOTCONNECT   ((igloo_error_t)12) /* Can not connect: Can not connect to remote resource. */
+#define igloo_ERROR_NOLOGIN         ((igloo_error_t)13) /* Can not login: Can not log into service. */
+#define igloo_ERROR_NOTSECURE       ((igloo_error_t)14) /* Connection, or object not secure: Connection, or object is not on required security level. */
+#define igloo_ERROR_BADCERT         ((igloo_error_t)15) /* Bad certificate */
 
 const igloo_error_desc_t *      igloo_error_get_description(igloo_error_t error);
 const igloo_error_desc_t *      igloo_error_getbyname(const char *name);
diff --git a/src/error.c b/src/error.c
index 5cde25f..f5c338f 100644
--- a/src/error.c
+++ b/src/error.c
@@ -17,18 +17,102 @@
 
 #define ERROR_BASE(x) .error = igloo_ERROR_ ## x, .name = # x
 
+// grep '^#define igloo_ERROR_' include/igloo/error.h | sed 's/^#define igloo_ERROR_\([^ ]*\) \+[^ ]\+ */\1::/; s/::\/\* \+\([^:]\+\): \+\(.\+\) \+\*\//:\1:\2/; s/::\/\* \+\([^:]\+\) \+\*\//:\1:/' | while IFS=: read name message description; do uuid=$(uuid -v 5 c4ce7102-4f5b-4421-9fb7-adbb299e336e "$name"); p='    '; printf "$p{\n$p${p}ERROR_BASE(%s),\n" "$name"; [ -n "$message" ] && printf "$p$p.message = \"%s\",\n" "$message"; [ -n "$description" ] && printf "$p$p.description = \"%s\",\n" "$description"; printf "$p$p.uuid = \"%s\"\n$p},\n" "$uuid"; done | sed '$s/,$//'
 static const igloo_error_desc_t __desc[] = {
     {
         ERROR_BASE(GENERIC),
-        .uuid = "953b7275-21f3-4697-8d30-33f346f9833e",
         .message = "Generic error",
-        .description = "A generic error occurred."
+        .description = "A generic error occurred.",
+        .uuid = "4f4dfebc-0b86-51e7-8233-73ff1c4707cf"
     },
     {
         ERROR_BASE(NONE),
-        .uuid = "4fa39862-0647-46ea-bfdf-fd2a5c7f6e9d",
         .message = "No error",
-        .description = "The operation succeeded."
+        .description = "The operation succeeded.",
+        .uuid = "3f9fa7d9-3d35-5358-bfa4-0c708bc2d7c9"
+    },
+    {
+        ERROR_BASE(FAULT),
+        .message = "Invalid address",
+        .uuid = "92ef9c60-654f-550d-a256-dc80a85ba0a0"
+    },
+    {
+        ERROR_BASE(INVAL),
+        .message = "Invalid argument",
+        .uuid = "1146a208-c6aa-59be-93c5-e8c431e48892"
+    },
+    {
+        ERROR_BASE(BUSY),
+        .message = "Device or resource busy",
+        .uuid = "5d867873-72ba-569c-bf62-f9c784b9ef3f"
+    },
+    {
+        ERROR_BASE(AGAIN),
+        .message = "Try again later",
+        .uuid = "8b8d4d4b-ff8f-53e0-ad82-aa4d15a4c64b"
+    },
+    {
+        ERROR_BASE(NOMEM),
+        .message = "Not enough space",
+        .description = "Memory allocation failed.",
+        .uuid = "3c236243-fb2e-5f63-a8ff-255a496ff998"
+    },
+    {
+        ERROR_BASE(NOENT),
+        .message = "Node does not exist",
+        .description = "File, directory, object, or node does not exist.",
+        .uuid = "0bd73191-c0a8-5a60-8986-590aad6f937c"
+    },
+    {
+        ERROR_BASE(EXIST),
+        .message = "Node exists",
+        .description = "Object, or node already exists.",
+        .uuid = "2f763d4f-3bd9-5a2a-a5bd-c9da14b721bd"
+    },
+    {
+        ERROR_BASE(PERM),
+        .message = "Operation not permitted",
+        .uuid = "bd371bfb-1e55-5819-aeb5-e8a085e287cf"
+    },
+    {
+        ERROR_BASE(CONNECTED),
+        .message = "Already connected",
+        .description = "The operation can not be completed while object is connected.",
+        .uuid = "eeabbbd0-ac81-5eb5-ac77-6e474bc6caee"
+    },
+    {
+        ERROR_BASE(UNCONNECTED),
+        .message = "Unconnected",
+        .description = "The operation can not be completed while object is not connected.",
+        .uuid = "7c2e9838-add7-5d2f-8b7a-ba04924075f7"
+    },
+    {
+        ERROR_BASE(IO),
+        .message = "Input/output error",
+        .uuid = "25541978-3f69-5d63-bd06-c86e299d8f10"
+    },
+    {
+        ERROR_BASE(CANNOTCONNECT),
+        .message = "Can not connect",
+        .description = "Can not connect to remote resource.",
+        .uuid = "3f507c9c-e30b-5c81-91aa-e7c3a21bf3f6"
+    },
+    {
+        ERROR_BASE(NOLOGIN),
+        .message = "Can not login",
+        .description = "Can not log into service.",
+        .uuid = "6fcaf080-dfaf-5ab0-a800-9d67d2d9c64f"
+    },
+    {
+        ERROR_BASE(NOTSECURE),
+        .message = "Connection, or object not secure",
+        .description = "Connection, or object is not on required security level.",
+        .uuid = "393bc752-cb40-5781-b6ce-c23ccc3c46b0"
+    },
+    {
+        ERROR_BASE(BADCERT),
+        .message = "Bad certificate",
+        .uuid = "07bbfd3a-d432-55b0-a294-a99278e6fa04"
     }
 };