From 846fc649eb3451d1d2d6910d075d854a38c62039 Mon Sep 17 00:00:00 2001
From: Artem Zhidkov <Artem.Zhidkov@opencascade.com>
Date: Fri, 3 Apr 2020 22:21:33 +0300
Subject: [PATCH] Fix regression related to issue #18994.

---
 src/PartSetPlugin/PartSetPlugin_Remove.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PartSetPlugin/PartSetPlugin_Remove.cpp b/src/PartSetPlugin/PartSetPlugin_Remove.cpp
index a17bfee5e..d1b75d1a0 100644
--- a/src/PartSetPlugin/PartSetPlugin_Remove.cpp
+++ b/src/PartSetPlugin/PartSetPlugin_Remove.cpp
@@ -47,7 +47,8 @@ void PartSetPlugin_Remove::execute()
       aRoot->refsToFeature(aFeature, aRefFeatures);
       if (aRefFeatures.empty()) {
         // before removing the part make the partSet active document
-        aPManager->setActiveDocument(aRoot);
+        if (aThisDoc == aPManager->activeDocument())
+          aPManager->setActiveDocument(aRoot);
         aRoot->removeFeature(aFeature);
         // the redisplay signal should be flushed in order to erase the feature presentation
         // in the viewer after removeFeature from the document
-- 
2.39.2