Index: search_api_exclude_entity.info.yml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- search_api_exclude_entity.info.yml	(revision 6327cf83ba5e5c08fa21a9158cc6093baa16244b)
+++ search_api_exclude_entity.info.yml	(date 1595848814597)
@@ -1,14 +1,8 @@
 name: Search API Exclude Entity
 type: module
 description: Exclude one or more entities from being indexed in Search API.
-# core: 8.x
+core_version_requirement: ^8.8 || ^9
 package: Search
 dependencies:
   - drupal:field
-  - search_api:search_api
-
-# Information added by Drupal.org packaging script on 2019-02-21
-version: '8.x-1.0'
-core: '8.x'
-project: 'search_api_exclude_entity'
-datestamp: 1550761014
+  - search_api:search_api
\ No newline at end of file
Index: src/Plugin/search_api/processor/SearchApiExcludeEntityProcessor.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/Plugin/search_api/processor/SearchApiExcludeEntityProcessor.php	(revision 6327cf83ba5e5c08fa21a9158cc6093baa16244b)
+++ src/Plugin/search_api/processor/SearchApiExcludeEntityProcessor.php	(date 1596000368160)
@@ -32,7 +32,7 @@
   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
     /** @var static $processor */
     $processor = parent::create($container, $configuration, $plugin_id, $plugin_definition);
-    $processor->entity_manager = $container->get('entity.manager');
+    $processor->entity_manager = $container->get('entity_field.manager');
     return $processor;
   }