From fa189b24daec20bd503ab5dffd97402270542118 Mon Sep 17 00:00:00 2001
From: Paul Holden <paulh@moodle.com>
Date: Thu, 12 Feb 2026 16:03:37 +0000
Subject: [PATCH] MDL-87945 webservice: handle invalid functions when adding to
 service.

Same thing as we did for API docs in 6e9e73aba09.
---
 admin/webservice/forms.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/admin/webservice/forms.php b/admin/webservice/forms.php
index 4f15173f35c..4f5d837c380 100644
--- a/admin/webservice/forms.php
+++ b/admin/webservice/forms.php
@@ -196,8 +196,12 @@ class external_service_functions_form extends moodleform {
         //we add the descriptions to the functions
         foreach ($functions as $functionid => $functionname) {
             //retrieve full function information (including the description)
-            $function = \core_external\external_api::external_function_info($functionname);
-            if (empty($function->deprecated)) {
+            try {
+                $function = \core_external\external_api::external_function_info($functionname);
+            } catch (Throwable $exception) {
+                $function = null;
+            }
+            if ($function !== null && empty($function->deprecated)) {
                 $functions[$functionid] = $function->name . ':' . $function->description;
             } else {
                 // Exclude the deprecated ones.