From 0663f79640ec69a4b2249db5d7c13bbaa02f51db Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Thu, 2 Apr 2026 10:16:29 +0200
Subject: [PATCH 1/2] do not call mb_convert_encoding() if encoding is unknown

---
 inc/inc.ClassConversionServiceTextToText.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/inc/inc.ClassConversionServiceTextToText.php b/inc/inc.ClassConversionServiceTextToText.php
index d84e0473e..f8b8dbd43 100644
--- a/inc/inc.ClassConversionServiceTextToText.php
+++ b/inc/inc.ClassConversionServiceTextToText.php
@@ -57,7 +57,8 @@ class SeedDMS_ConversionServiceTextToText extends SeedDMS_ConversionServiceBase
 		$encoding  = $this->detect_utf_encoding($content);
 		// mb_detect_encoding() is not a good as detect_utf_encoding()
 		// $encoding  = mb_detect_encoding($content);
-		$content = mb_convert_encoding($content, 'utf8', $encoding);
+		if ($encoding)
+			$content = mb_convert_encoding($content, 'utf8', $encoding);
 		if($target) {
 			file_put_contents($target, $content);
 			return true;

From a60b3b2779495698c88b52643d5fd606116cecce Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Sun, 5 Apr 2026 22:23:32 +0200
Subject: [PATCH 2/2] do not index document if latest content does not exist

---
 inc/inc.ClassFulltextService.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/inc/inc.ClassFulltextService.php b/inc/inc.ClassFulltextService.php
index b729a3d8a..520427363 100644
--- a/inc/inc.ClassFulltextService.php
+++ b/inc/inc.ClassFulltextService.php
@@ -189,9 +189,12 @@ class SeedDMS_FulltextService {
 	 * @return object indexed Document ready for passing to the indexer
 	 */
 	public function IndexedDocument($object, $forceupdate=false) { /* {{{ */
-		if($object->isType('document'))
-			$nocontent = $object->getLatestContent()->getFileSize() > $this->maxsize && $this->maxsize && !$forceupdate;
-		else
+		if($object->isType('document')) {
+			if ($lc = $object->getLatestContent())
+				$nocontent = $lc->getFileSize() > $this->maxsize && $this->maxsize && !$forceupdate;
+			else
+				$nocontent = true;
+		} else
 			$nocontent = true;
 		$convcallback = $this->getConversionWithPreviewCallback();
 		return new $this->services[0]['IndexedDocument']($object->getDMS(), $object, $convcallback /*$this->conversionmgr ? $this->conversionmgr : $this->converters*/, $nocontent, $this->cmdtimeout);