From 6e49fe3ae194286f824a26e92f2d90d09931b65d Mon Sep 17 00:00:00 2001
From: Rodney <rodney.baker@gmail.com>
Date: Mar 18 2023 21:35:15 +0000
Subject: Merge pull request #4786 from justburner/Patch4479


Fix crash when trying to paste a level with no palette
---

diff --git a/toonz/sources/common/tvrender/tpalette.cpp b/toonz/sources/common/tvrender/tpalette.cpp
index 6c271f4..b2cbdc4 100644
--- a/toonz/sources/common/tvrender/tpalette.cpp
+++ b/toonz/sources/common/tvrender/tpalette.cpp
@@ -904,7 +904,7 @@ void TPalette::loadData(TIStream &is) {
  * original names.
  */
 void TPalette::assign(const TPalette *src, bool isFromStudioPalette) {
-  if (src == this) return;
+  if (!src || src == this) return;
   int i;
   m_isCleanupPalette = src->isCleanupPalette();
   // for(i=0;i<getStyleCount();i++) delete getStyle(i);
diff --git a/toonz/sources/toonz/drawingdata.cpp b/toonz/sources/toonz/drawingdata.cpp
index afcc099..b621367 100644
--- a/toonz/sources/toonz/drawingdata.cpp
+++ b/toonz/sources/toonz/drawingdata.cpp
@@ -308,7 +308,9 @@ bool DrawingData::getLevelFrames(TXshSimpleLevel *sl,
   bool styleAdded = mergePalette_Overlap(slPlt, imgPlt, keepOriginalPalette);
 
   std::map<int, int> styleTable;
-  for (int s = 0; s < slPlt->getStyleCount(); s++) styleTable[s] = s;
+  if (slPlt) {
+    for (int s = 0; s < slPlt->getStyleCount(); s++) styleTable[s] = s;
+  }
 
   // Merge Image
   for (auto const &image : usedImageSet) {