Hi,
The crash is completely in the plug-in. Please get in contact with the plug-in manufacturer.
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.xlnaudio.rc20retrocolor 0x0000000141218bf5 decodePNG(std::vector<unsigned char, std::allocator<unsigned char> >&, unsigned long&, unsigned long&, unsigned char const*, unsigned long, bool)::PNG::unFilterScanline(unsigned char*, unsigned char const*, unsigned char const*, unsigned long, unsigned long, unsigned long) + 517
1 com.xlnaudio.rc20retrocolor 0x000000014120a985 decodePNG(std::vector<unsigned char, std::allocator<unsigned char> >&, unsigned long&, unsigned long&, unsigned char const*, unsigned long, bool) + 10725
2 com.xlnaudio.rc20retrocolor 0x000000014120c3eb sgfx32_surface_loadf(sdFile*, _SGFX32_SURFACE*) + 187
3 com.xlnaudio.rc20retrocolor 0x0000000141213798 sdBitmap::Load(int, unsigned char const*) + 168
4 com.xlnaudio.rc20retrocolor 0x0000000141201c03 cCottonGUIBitmap::cCottonGUIBitmap(int, unsigned char const*, int, bool, int, SD_BLEND, bool) + 371
5 com.xlnaudio.rc20retrocolor 0x000000014129f619 createCottonGUIBitmapFromFiledata(int, unsigned char const*, char const*, std::string const&, int&) + 233
6 com.xlnaudio.rc20retrocolor 0x0000000141389e95 cCottonGlobalsCachedUserResource::accessStart(bool) + 917
7 com.xlnaudio.rc20retrocolor 0x000000014126e8a4 cUseCachedResourceInScope<cCottonGUIBitmap>::cUseCachedResourceInScope(std::tr1::shared_ptr<iSharedUserResource>&, bool) + 84
8 com.xlnaudio.rc20retrocolor 0x000000014129fef6 cottonProcessBitmap(std::string const&, int, int&) + 102
9 com.xlnaudio.rc20retrocolor 0x0000000141389c8b cCottonGlobalsCachedUserResource::accessStart(bool) + 395
10 com.xlnaudio.rc20retrocolor 0x000000014126e8a4 cUseCachedResourceInScope<cCottonGUIBitmap>::cUseCachedResourceInScope(std::tr1::shared_ptr<iSharedUserResource>&, bool) + 84
11 com.xlnaudio.rc20retrocolor 0x0000000141245ea2 cLuaGGUIWindow::procGetBitmapFrameCount(std::vector<Diluculum::LuaValue, std::allocator<Diluculum::LuaValue> > const&, std::vector<Diluculum::LuaValue, std::allocator<Diluculum::LuaValue> >&) + 82
12 com.xlnaudio.rc20retrocolor 0x00000001412624f1 cLuaGGUIWindow::proc(std::string const&, std::vector<Diluculum::LuaValue, std::allocator<Diluculum::LuaValue> > const&, std::vector<Diluculum::LuaValue, std::allocator<Diluculum::LuaValue> >&) + 257
13 com.xlnaudio.rc20retrocolor 0x00000001412c3341 cLuaWithModelConnection::proc(std::vector<Diluculum::LuaValue, std::allocator<Diluculum::LuaValue> >&) + 161
14 com.xlnaudio.rc20retrocolor 0x00000001412c2e8e Diluculum__cLuaWithModelConnection__proc__Method_Wrapper_Function(lua_State*) + 142
15 com.xlnaudio.rc20retrocolor 0x000000014175be17 luaD_precall + 464
16 com.xlnaudio.rc20retrocolor 0x000000014176b37b luaV_execute + 308
17 com.xlnaudio.rc20retrocolor 0x000000014175c269 luaD_call + 98
18 com.xlnaudio.rc20retrocolor 0x000000014175b99f luaD_rawrunprotected + 84
19 com.xlnaudio.rc20retrocolor 0x000000014175c4d2 luaD_pcall + 68
20 com.xlnaudio.rc20retrocolor 0x0000000141755182 lua_pcall + 102
21 com.xlnaudio.rc20retrocolor 0x0000000141757155 luaB_pcall + 45
22 com.xlnaudio.rc20retrocolor 0x000000014175be17 luaD_precall + 464
23 com.xlnaudio.rc20retrocolor 0x000000014176c475 luaV_execute + 4654
24 com.xlnaudio.rc20retrocolor 0x000000014175c269 luaD_call + 98
25 com.xlnaudio.rc20retrocolor 0x000000014175b99f luaD_rawrunprotected + 84
26 com.xlnaudio.rc20retrocolor 0x000000014175c4d2 luaD_pcall + 68
27 com.xlnaudio.rc20retrocolor 0x0000000141755182 lua_pcall + 102
28 com.xlnaudio.rc20retrocolor 0x00000001412ede44 Diluculum::LuaState::doStringOrFile(bool, std::string const&, std::string const&) + 132
29 com.xlnaudio.rc20retrocolor 0x00000001412d8bd7 cLuaWithModelConnection::doString(std::string const&, std::string const&) + 103
30 com.xlnaudio.rc20retrocolor 0x000000014122972d cLuaGGUIWindow::cLuaGGUIWindow(iCottonInstance*, std::tr1::shared_ptr<Model::iStore>, std::tr1::shared_ptr<Model::iObserverHandle> const&, std::tr1::shared_ptr<Model::iObserverHandle> const&, std::tr1::shared_ptr<Block::cDriveManager> const&) + 16525
31 com.xlnaudio.rc20retrocolor 0x0000000141223bc8 cGGUI::init(std::tr1::shared_ptr<Model::iStore> const&, std::tr1::shared_ptr<Model::iObserverHandle> const&, std::tr1::shared_ptr<Model::iObserverHandle> const&, std::tr1::shared_ptr<Block::cDriveManager> const&, iCottonInstance*) + 200
32 com.xlnaudio.rc20retrocolor 0x00000001412f28f4 cCottonInstance::doBoot(PlugWrap::iHost*) + 16564
33 com.xlnaudio.rc20retrocolor 0x00000001412ee487 cCottonInstance::cCottonInstance(PlugWrap::iHost*) + 439
34 com.xlnaudio.rc20retrocolor 0x00000001412fd1f2 plug_createInstance(PlugWrap::iHost*) + 34
35 com.xlnaudio.rc20retrocolor 0x00000001412a0d79 cPlugWrapRebootProxy::cPlugWrapRebootProxy(PlugWrap::iHost*) + 201
36 com.xlnaudio.rc20retrocolor 0x00000001412a07b2 plugWrap_createInstance(PlugWrap::iHost*) + 34
37 com.xlnaudio.rc20retrocolor 0x0000000141527c93 JuceWrapFilter::JuceWrapFilter() + 371
38 com.xlnaudio.rc20retrocolor 0x000000014152772e createPluginFilter() + 46
39 com.xlnaudio.rc20retrocolor 0x000000014151a3e4 createPluginFilterOfType(juce::AudioProcessor::WrapperType) + 20
40 com.xlnaudio.rc20retrocolor 0x00000001413a15be (anonymous namespace)::pluginEntryPoint(long long (*)(AEffect*, int, int, long long, void*, float)) + 62