A bug show up after I update the game to accessibility beta。

Uncaught Exception
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Null access

Called from ui.$SynergyUIHandler.countSynergy (ui/SynergyUIHandler.hx line 18)
Called from ui.$SynergyUIHandler.hasSynergy (ui/SynergyUIHandler.hx line 38)
Called from ui.$SynergyUIHandler.hasSynergyCombo (ui/SynergyUIHandler.hx line 47)
Called from ui.$SynergyUIHandler.getSynergyIcon (ui/SynergyUIHandler.hx line 81)
Called from ui.NewItemDesc.onResize (ui/NewItemDesc.hx line 140)
Called from ui.NewItemDesc.setItem (ui/NewItemDesc.hx line 68)
Called from ui.CustomItemManager.updateSelection (ui/CustomItemManager.hx line 251)
Called from ui.CustomItemManager.selectItem (ui/CustomItemManager.hx line 238)
Called from ui.CustomItemManager.update (ui/CustomItemManager.hx line 383)
Called from mt.$Process._update (mt/Process.hx line 266)
Called from mt.$Process._update (mt/Process.hx line 273)
Called from mt.$Process.updateAll (mt/Process.hx line 227)
Called from Boot.update (Boot.hx line 679)
Called from hxd.App.mainLoop (hxd/App.hx line 161)
Called from Boot.mainLoop (Boot.hx line 684)
Called from hxd.$System.mainLoop (hxd/System.hl.hx line 70)
Called from hxd.$System.runMainLoop (hxd/System.hl.hx line 127)
Called from hxd.$System.runMainLoop (hxd/System.hl.hx line 123)
Called from haxe.$Timer.~delay.0 (C:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/Timer.hx line 143)
Called from haxe.$Timer.~__constructor__.0 (C:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/Timer.hx line 76)
Called from haxe.$MainLoop.tick (C:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/MainLoop.hx line 174)
Called from haxe.$EntryPoint.processEvents (C:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/EntryPoint.hx line 99)
Called from haxe.$EntryPoint.run (C:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/EntryPoint.hx line 125)
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Thx for reading and plz help out ~