Nextcloud ver 22.2.3 full text search error on FileService.php761

Error: Call to a member function getContent() on string in /var/www/nextcloud/apps/files_fulltextsearch/lib/Service/FilesService.php:761
Stack trace:
#0 /var/www/nextcloud/apps/files_fulltextsearch/lib/Service/FilesService.php(700): OCA\Files_FullTextSearch\Service\FilesService->updateContentFromFile(’*** sensitive p…’, Object(OC\Files\Node\File))
#1 /var/www/nextcloud/apps/files_fulltextsearch/lib/Service/FilesService.php(680): OCA\Files_FullTextSearch\Service\FilesService->updateFilesDocumentFromFile(Object(OCA\Files_FullTextSearch\Model\FilesDocument), Object(OC\Files\Node\File))
#2 /var/www/nextcloud/apps/files_fulltextsearch/lib/Service/FilesService.php(571): OCA\Files_FullTextSearch\Service\FilesService->updateFilesDocument(Object(OCA\Files_FullTextSearch\Model\FilesDocument))
#3 /var/www/nextcloud/apps/files_fulltextsearch/lib/Provider/FilesProvider.php(288): OCA\Files_FullTextSearch\Service\FilesService->generateDocument(Object(OCA\Files_FullTextSearch\Model\FilesDocument))
#4 /var/www/nextcloud/apps/fulltextsearch/lib/Service/IndexService.php(317): OCA\Files_FullTextSearch\Provider\FilesProvider->fillIndexDocument(Object(OCA\Files_FullTextSearch\Model\FilesDocument))
#5 /var/www/nextcloud/apps/fulltextsearch/lib/Service/IndexService.php(204): OCA\FullTextSearch\Service\IndexService->indexDocuments(Object(OCA\FullTextSearch_Elasticsearch\Platform\ElasticSearchPlatform), Object(OCA\Files_FullTextSearch\Provider\FilesProvider), Array, Object(OCA\FullTextSearch\Model\IndexOptions))
#6 /var/www/nextcloud/apps/fulltextsearch/lib/Command/Index.php(410): OCA\FullTextSearch\Service\IndexService->indexProviderContentFromUser(Object(OCA\FullTextSearch_Elasticsearch\Platform\ElasticSearchPlatform), Object(OCA\Files_FullTextSearch\Provider\FilesProvider), ‘ruiwen’, Object(OCA\FullTextSearch\Model\IndexOptions))
#7 /var/www/nextcloud/apps/fulltextsearch/lib/Command/Index.php(273): OCA\FullTextSearch\Command\Index->indexProvider(Object(OCA\Files_FullTextSearch\Provider\FilesProvider), Object(OCA\FullTextSearch\Model\IndexOptions))
#8 /var/www/nextcloud/3rdparty/symfony/console/Command/Command.php(255): OCA\FullTextSearch\Command\Index->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#9 /var/www/nextcloud/core/Command/Base.php(168): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#10 /var/www/nextcloud/3rdparty/symfony/console/Application.php(1009): OC\Core\Command\Base->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#11 /var/www/nextcloud/3rdparty/symfony/console/Application.php(273): Symfony\Component\Console\Application->doRunCommand(Object(OCA\FullTextSearch\Command\Index), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#12 /var/www/nextcloud/3rdparty/symfony/console/Application.php(149): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#13 /var/www/nextcloud/lib/private/Console/Application.php(209): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#14 /var/www/nextcloud/console.php(99): OC\Console\Application->run()
#15 /var/www/nextcloud/occ(11): require_once(’/var/www/nextcl…’)

I had disable the PDF, under Tesseract-OCR- and no more error ,