diff --git a/docs/.gitignore b/docs/.gitignore
deleted file mode 100644
index 59cd005a9a4..00000000000
--- a/docs/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-en/_exts/configurationblock.pyc
-build
-en/_build
-.idea
diff --git a/docs/.gitmodules b/docs/.gitmodules
deleted file mode 100644
index e38d44b0adf..00000000000
--- a/docs/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "en/_theme"]
-	path = en/_theme
-	url = https://github.com/doctrine/doctrine-sphinx-theme.git
diff --git a/src/UnitOfWork.php b/src/UnitOfWork.php
index 018c1e788fb..f6a30a0028c 100644
--- a/src/UnitOfWork.php
+++ b/src/UnitOfWork.php
@@ -2581,9 +2581,9 @@ public function createEntity(string $className, array $data, array &$hints = [])
 
                     if ($hints['fetchMode'][$class->name][$field] === ClassMetadata::FETCH_EAGER) {
                         $isIteration = isset($hints[Query::HINT_INTERNAL_ITERATION]) && $hints[Query::HINT_INTERNAL_ITERATION];
-                        if (! $isIteration && $assoc->isOneToMany()) {
+                        if (! $isIteration && $assoc->isOneToMany() && ! $targetClass->isIdentifierComposite) {
                             $this->scheduleCollectionForBatchLoading($pColl, $class);
-                        } elseif (($isIteration && $assoc->isOneToMany()) || $assoc->isManyToMany()) {
+                        } else {
                             $this->loadCollection($pColl);
                             $pColl->takeSnapshot();
                         }
diff --git a/tests/Tests/Models/EagerFetchedCompositeOneToMany/RootEntity.php b/tests/Tests/Models/EagerFetchedCompositeOneToMany/RootEntity.php
new file mode 100644
index 00000000000..d369be822d9
--- /dev/null
+++ b/tests/Tests/Models/EagerFetchedCompositeOneToMany/RootEntity.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\EagerFetchedCompositeOneToMany;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+#[ORM\Table(name: 'eager_composite_join_root')]
+class RootEntity
+{
+    #[ORM\Id]
+    #[ORM\Column(type: 'integer', nullable: false)]
+    private int|null $id = null;
+
+    #[ORM\Id]
+    #[ORM\Column(type: 'string', nullable: false, name: 'other_key', length: 42)]
+    private string $otherKey;
+
+    /** @var Collection<int, SecondLevel> */
+    #[ORM\OneToMany(mappedBy: 'root', targetEntity: SecondLevel::class, fetch: 'EAGER')]
+    private Collection $secondLevel;
+
+    public function __construct(int $id, string $other)
+    {
+        $this->otherKey    = $other;
+        $this->secondLevel = new ArrayCollection();
+        $this->id          = $id;
+    }
+
+    public function getId(): int|null
+    {
+        return $this->id;
+    }
+
+    public function getOtherKey(): string
+    {
+        return $this->otherKey;
+    }
+}
diff --git a/tests/Tests/Models/EagerFetchedCompositeOneToMany/SecondLevel.php b/tests/Tests/Models/EagerFetchedCompositeOneToMany/SecondLevel.php
new file mode 100644
index 00000000000..0608dcffba4
--- /dev/null
+++ b/tests/Tests/Models/EagerFetchedCompositeOneToMany/SecondLevel.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\EagerFetchedCompositeOneToMany;
+
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+#[ORM\Table(name: 'eager_composite_join_second_level')]
+#[ORM\Index(name: 'root_other_key_idx', columns: ['root_other_key', 'root_id'])]
+class SecondLevel
+{
+    #[ORM\Id]
+    #[ORM\Column(type: 'integer', nullable: false)]
+    private int|null $upperId;
+
+    #[ORM\Id]
+    #[ORM\Column(type: 'string', nullable: false, name: 'other_key')]
+    private string $otherKey;
+
+    #[ORM\ManyToOne(targetEntity: RootEntity::class, inversedBy: 'secondLevel')]
+    #[ORM\JoinColumn(name: 'root_id', referencedColumnName: 'id')]
+    #[ORM\JoinColumn(name: 'root_other_key', referencedColumnName: 'other_key')]
+    private RootEntity $root;
+
+    public function __construct(RootEntity $upper)
+    {
+        $this->upperId  = $upper->getId();
+        $this->otherKey = $upper->getOtherKey();
+        $this->root     = $upper;
+    }
+
+    public function getId(): int|null
+    {
+        return $this->id;
+    }
+}
diff --git a/tests/Tests/ORM/Functional/EagerFetchOneToManyWithCompositeKeyTest.php b/tests/Tests/ORM/Functional/EagerFetchOneToManyWithCompositeKeyTest.php
new file mode 100644
index 00000000000..82b9d0b8acb
--- /dev/null
+++ b/tests/Tests/ORM/Functional/EagerFetchOneToManyWithCompositeKeyTest.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\ORM\Functional;
+
+use Doctrine\Tests\Models\EagerFetchedCompositeOneToMany\RootEntity;
+use Doctrine\Tests\Models\EagerFetchedCompositeOneToMany\SecondLevel;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+final class EagerFetchOneToManyWithCompositeKeyTest extends OrmFunctionalTestCase
+{
+    /** @ticket 11154 */
+    public function testItDoesNotThrowAnExceptionWhenTriggeringALoad(): void
+    {
+        $this->setUpEntitySchema([RootEntity::class, SecondLevel::class]);
+
+        $a1 = new RootEntity(1, 'A');
+
+        $this->_em->persist($a1);
+        $this->_em->flush();
+
+        $this->_em->clear();
+
+        self::assertCount(1, $this->_em->getRepository(RootEntity::class)->findAll());
+    }
+}