From 217d606693b8f2946f3a741659aab5c181a0e980 Mon Sep 17 00:00:00 2001
From: Git'Fellow <12234510+solracsf@users.noreply.github.com>
Date: Thu, 30 Jul 2026 09:22:31 +0200
Subject: [PATCH] fix: avoid a TypeError when uploading an attachment via the
 API

Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>
---
 lib/Controller/AttachmentApiController.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Controller/AttachmentApiController.php b/lib/Controller/AttachmentApiController.php
index dbf46cba2..28fe2543f 100644
--- a/lib/Controller/AttachmentApiController.php
+++ b/lib/Controller/AttachmentApiController.php
@@ -47,7 +47,7 @@ public function display(int $cardId, int $attachmentId, string $type = 'deck_fil
 	#[CORS]
 	#[NoCSRFRequired]
 	public function create(int $cardId, string $type, ?string $data): DataResponse {
-		$attachment = $this->attachmentService->create($cardId, $type, $data);
+		$attachment = $this->attachmentService->create($cardId, $type, $data ?? '');
 		return new DataResponse($attachment, HTTP::STATUS_OK);
 	}