From ee9144cadb263f3cdbbac57509fcec511a6eb65c Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Sat, 24 Jun 2023 21:57:04 +0800
Subject: [PATCH] MDL-78192 external: Fix typo in constant name

---
 lib/external/classes/external_description.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/external/classes/external_description.php b/lib/external/classes/external_description.php
index 6deea883fb5..39ae929c988 100644
--- a/lib/external/classes/external_description.php
+++ b/lib/external/classes/external_description.php
@@ -44,7 +44,7 @@ abstract class external_description {
      * @param mixed $default The default value
      * @param bool $allownull Allow null value
      */
-    public function __construct($desc, $required, $default, $allownull = NULL_NOTALLOWED) {
+    public function __construct($desc, $required, $default, $allownull = NULL_NOT_ALLOWED) {
         if (!in_array($required, [VALUE_DEFAULT, VALUE_REQUIRED, VALUE_OPTIONAL], true)) {
             $requiredstr = $required;
             if (is_array($required)) {