I have a issue with dead cells

I have an error called "Null access" and this appeared

Null access

Called from tool.SpeedrunData.saveBestRunTime (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/tool/SpeedrunData.hx line 44)

Called from tool.SpeedrunData.newGame (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/tool/SpeedrunData.hx line 22)

Called from User.endMainGame (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/User.hx line 569)

Called from tool.$Save.tryLoad (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/tool/Save.hx line 185)

Called from pr.TitleScreen.playMenu (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/pr/TitleScreen.hx line 422)

Called from pr.TitleScreen.~mainMenu.0 (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/pr/TitleScreen.hx line 345)

Called from pr.TitleScreen.~addMenu.0 (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/pr/TitleScreen.hx line 687)

Called from h2d.Interactive.handleEvent (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/h2d/Interactive.hx line 163)

Called from h2d.Scene.handleEvent (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/h2d/Scene.hx line 312)

Called from hxd.SceneEvents.emitEvent (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/hxd/SceneEvents.hx line 128)

Called from hxd.SceneEvents.checkEvents (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/hxd/SceneEvents.hx line 279)

Called from hxd.App.mainLoop (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/hxd/App.hx line 159)

Called from Boot.mainLoop (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\src/Boot.hx line 735)

Called from hxd.$System.mainLoop (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/hxd/System.hl.hx line 70)

Called from hxd.$System.runMainLoop (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.haxelib\heaps/git-haxe4,0,2/hxd/System.hl.hx line 127)

Called from module @0xABBFFC00

Called from haxe.$Timer.~delay.0 (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/Timer.hx line 143)

Called from haxe.$Timer.~__constructor__.0 (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/Timer.hx line 76)

Called from haxe.$MainLoop.tick (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/MainLoop.hx line 174)

Called from haxe.$EntryPoint.processEvents (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/EntryPoint.hx line 99)

Called from haxe.$EntryPoint.run (D:\Gitlab-Runner\builds\HQ33PpjF\0\motion-twin\deadcells\client\.tools\haxe\std/haxe/EntryPoint.hx line 125)

:)