Filter out field layouts for invalid element types

Fixes #16352

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Fixed a bug where custom fields were getting included in rendered field layout forms, even if their `getInputHtml()` method returned an empty string.
 - Fixed a bug where the password input on the Set Password page wasn’t including the “Show” button.
 - Fixed a SQL error that could occur if an element was saved with a title longer than 255 characters.
+- Fixed errors that could occur when working with field layouts for element types that are no longer installed. ([#16352](https://github.com/craftcms/cms/issues/16352))
 - Fixed an RCE vulnerability.
 
 ## 4.13.7 - 2024-12-17

src/services/Fields.php

@@ -1098,7 +1098,10 @@ private function _layouts(): MemoizableArray
     {
         if (!isset($this->_layouts)) {
             if (Craft::$app->getIsInstalled()) {
-                $layoutConfigs = $this->_createLayoutQuery()->all();
+                $layoutConfigs = $this->_createLayoutQuery()->collect()
+                    ->filter(fn(array $config) => ComponentHelper::validateComponentClass($config['type'], ElementInterface::class))
+                    ->values()
+                    ->all();
                 $layoutTabConfigs = ArrayHelper::index($this->_createLayoutTabQuery()->all(), null, ['layoutId']);
             } else {
                 $layoutConfigs = [];