From f92a30301a6ef4dd874df8842c922f26eb578469 Mon Sep 17 00:00:00 2001
From: provokateurin <kate@provokateurin.de>
Date: Sun, 15 Sep 2024 13:07:50 +0200
Subject: fix(BaseResponse): Cast XML element values to string

Signed-off-by: provokateurin <kate@provokateurin.de>
---
 lib/private/AppFramework/OCS/BaseResponse.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/private/AppFramework/OCS/BaseResponse.php b/lib/private/AppFramework/OCS/BaseResponse.php
index 78bcc5586d3..4f460795e7f 100644
--- a/lib/private/AppFramework/OCS/BaseResponse.php
+++ b/lib/private/AppFramework/OCS/BaseResponse.php
@@ -163,8 +163,10 @@ abstract class BaseResponse extends Response {
 				$writer->startElement($k);
 				$this->toXML($v->jsonSerialize(), $writer);
 				$writer->endElement();
+			} elseif ($v === null) {
+				$writer->writeElement($k);
 			} else {
-				$writer->writeElement($k, $v);
+				$writer->writeElement($k, (string)$v);
 			}
 		}
 	}
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