diff -upr scribus-1.5.8.orig/scribus/plugins/import/pdf/importpdf.cpp scribus-1.5.8/scribus/plugins/import/pdf/importpdf.cpp

--- scribus-1.5.8.orig/scribus/plugins/import/pdf/importpdf.cpp	2022-01-23 18:16:01.000000000 +0200

+++ scribus-1.5.8/scribus/plugins/import/pdf/importpdf.cpp	2022-03-02 14:03:29.851352471 +0200

@@ -90,7 +90,11 @@ QImage PdfPlug::readThumbnail(const QStr

 #endif

 	globalParams->setErrQuiet(gTrue);

+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(22, 3, 0)

+	PDFDoc pdfDoc{std::make_unique<GooString>(fname)};

+#else

 	PDFDoc pdfDoc{fname, nullptr, nullptr, nullptr};

+#endif

 	if (!pdfDoc.isOk() || pdfDoc.getErrorCode() == errEncrypted)

 		return QImage();

@@ -343,7 +347,11 @@ bool PdfPlug::convert(const QString& fn)

 	globalParams->setErrQuiet(gTrue);

 //	globalParams->setPrintCommands(gTrue);

 	QList<OptionalContentGroup*> ocgGroups;

+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(22, 3, 0)

+	auto pdfDoc = std::unique_ptr<PDFDoc>(new PDFDoc(std::make_unique<GooString>(fname)));

+#else

 	auto pdfDoc = std::unique_ptr<PDFDoc>(new PDFDoc(fname, nullptr, nullptr, nullptr));

+#endif

 	if (pdfDoc)

 	{

 		if (pdfDoc->getErrorCode() == errEncrypted)

@@ -363,7 +371,11 @@ bool PdfPlug::convert(const QString& fn)

 				auto fname = new GooString(QFile::encodeName(fn).data());

 #endif

 				auto userPW = new GooString(text.toLocal8Bit().data());

+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(22, 3, 0)

+				pdfDoc.reset(new PDFDoc(std::make_unique<GooString>(fname), GooString(userPW), GooString(userPW)));

+#else

 				pdfDoc.reset(new PDFDoc(fname, userPW, userPW, nullptr));

+#endif

 				qApp->changeOverrideCursor(QCursor(Qt::WaitCursor));

 			}

 			if ((!pdfDoc) || (pdfDoc->getErrorCode() != errNone))