From c9d3931df339ba23b478022f7893d2081cef939f Mon Sep 17 00:00:00 2001
From: Sergey Luzyanin <Sergey.Luzyanin@onlyoffice.com>
Date: Thu, 28 Nov 2024 10:49:52 +0300
Subject: [PATCH] [pe] fix crash in coauthoring

---
 slide/Editor/Format/Presentation.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/slide/Editor/Format/Presentation.js b/slide/Editor/Format/Presentation.js
index f5034508c9..65632490f7 100644
--- a/slide/Editor/Format/Presentation.js
+++ b/slide/Editor/Format/Presentation.js
@@ -7348,6 +7348,10 @@ CPresentation.prototype.Load_DocumentStateAfterLoadChanges = function (oState) {
 
 	this.CollaborativeEditing.UpdateDocumentPositionsByState(oState);
 	let oCurSlide = this.GetCurrentSlide();
+	if(!oCurSlide) {
+		this.DrawingDocument.m_oWordControl.GoToPage(this.GetSlidesCount() - 1);
+		return;
+	}
 	if (oState.Slide) {
 		var oSlide = oState.Slide;
 		if (oSlide !== oCurSlide) {