From 77696ad6756b0504833d4c3abf1aa4c762ca9189 Mon Sep 17 00:00:00 2001
From: Duncan McClean <duncan@duncanmcclean.com>
Date: Fri, 18 Oct 2024 15:25:50 +0100
Subject: [PATCH] [5.x] Fix error when editing Bard field with set and no
 fields (#10971)

---
 src/Fieldtypes/Sets.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Fieldtypes/Sets.php b/src/Fieldtypes/Sets.php
index e9163dc50d..b9666ba870 100644
--- a/src/Fieldtypes/Sets.php
+++ b/src/Fieldtypes/Sets.php
@@ -55,7 +55,7 @@ public function preProcess($sets)
                         'instructions' => $set['instructions'] ?? null,
                         'icon' => $set['icon'] ?? null,
                         'hide' => $set['hide'] ?? null,
-                        'fields' => collect($set['fields'])->map(function ($field, $i) use ($setId) {
+                        'fields' => collect($set['fields'] ?? [])->map(function ($field, $i) use ($setId) {
                             return array_merge(FieldTransformer::toVue($field), ['_id' => $setId.'-'.$i]);
                         })->all(),
                     ];