.../Drupal/Core/Config/Schema/SchemaCheckTrait.php    | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
index 66355a2a3b..5230a2a7d7 100644
--- a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
+++ b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
@@ -61,9 +61,26 @@ public function checkConfigSchema(TypedConfigManagerInterface $typed_config, $co
     // Also perform explicit validation. Note this does NOT require every node
     // in the config schema tree to have validation constraints defined.
     $violations = $this->schema->validate();
+    $ignored_validation_constraint_messages = [
+      // @see \Drupal\Core\Config\Plugin\Validation\Constraint\ConfigExistsConstraint::$message
+      // @todo Remove this in https://www.drupal.org/project/drupal/issues/3362453
+      "The '.*' config does not exist.",
+      // @see \Drupal\Core\Extension\Plugin\Validation\Constraint\ExtensionExistsConstraint::$moduleMessage
+      // @see \Drupal\Core\Extension\Plugin\Validation\Constraint\ExtensionExistsConstraint::$themeMessage
+      // @todo Remove this in https://www.drupal.org/project/drupal/issues/3362456
+      "Module '.*' is not installed.",
+      "Theme '.*' is not installed.",
+      // @see \Drupal\Core\Plugin\Plugin\Validation\Constraint\PluginExistsConstraint::$unknownPluginMessage
+      // @todo Remove this in https://www.drupal.org/project/drupal/issues/3362457
+      "The '.*' plugin does not exist.",
+    ];
+    $filtered_violations = array_filter(
+      iterator_to_array($violations),
+      fn (ConstraintViolation $v) => preg_match(sprintf("/^(%s)$/", implode('|', $ignored_validation_constraint_messages)), (string) $v->getMessage()) !== 1
+    );
     $validation_errors = array_map(
       fn (ConstraintViolation $v) => sprintf("[%s] %s", $v->getPropertyPath(), (string) $v->getMessage()),
-      iterator_to_array($violations)
+      $filtered_violations
     );
     $errors = array_merge($errors, $validation_errors);
     if (empty($errors)) {