error loading file

[amaro9661]

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Description of the problem

tried opening some art I made an it gives me an error msg. screenshot attached. when I ran debug it gave me this msg attached

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Basic system details

MyPaint version: [✍ 1.2.0 stable, 1.2.1-beta.1, git revision NNNNNNN, …]
Operating system: [✍ Debian 8.3, Ubuntu 16.04, Windows 7, …]
Desktop environment: [✍ GNOME, Xfce, …]

Steps to reproduce

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1. Start MyPaint
2. [✍ second step]
3. [✍ third step]

Backtraces or error messages

Mypaint version: 2.0.1+git.478280f2
System information: Windows-10-10.0.19041-SP0
Using: Python 3.8.3, GTK 3.24.20, GdkPixbuf 2.40.0, Cairo 1.16.0, GLib 2.64.1
Traceback (most recent call last):
  File "C:/Program Files/mypaint-w64/mingw64/lib/mypaint/gui/application.py", line 488, _at_application_start(self=<gui.application.Application object>, filenames=[], fullscreen=None)
                autosave_recovery = gui.autorecover.Presenter(self)
                autosave_recovery.run(startup=True)
  variables: {'autosave_recovery.run': ('local', <bound method Presenter.run of <gui.autorecover.Presenter object at 0x000000002a8c2190>>), 'startup': (None, [])}
  File "C:/Program Files/mypaint-w64/mingw64/lib/mypaint/gui/autorecover.py", line 158, run(self=<gui.autorecover.Presenter object>, startup=True)
                        try:
                            doc.model.resume_from_autosave(autosave.path)
                        except lib.errors.FileHandlingError as e:
  variables: {'doc.model.resume_from_autosave': ('local', <bound method Document.resume_from_autosave of <Document nlayers=1 bbox=Rect(0, 0, 0, 0) paintonly=False>>), 'autosave.path': ('local', 'C:\\Users\\amaro\\AppData\\Local\\Microsoft\\Windows\\INetCache/mypaint/doc.9nk8oodc/autosave')}
  File "C:/Program Files/mypaint-w64/mingw64/lib/mypaint/lib/document.py", line 1908, resume_from_autosave(self=<Document nlayers=1 bbox=Rect(0, 0, 0, 0) paintonly=False>, autosave_dir=r'C:\Users\amaro\AppData\Local\Microsoft\Windows\INetCache/mypaint/doc.9nk8oodc/autosave', progress=None)
                # Assign a valid *new* cache dir before bailing out.
                assert self._cache_dir is None
                self.clear(new_cache=True)
  variables: {'self._cache_dir': ('local', 'C:\\Users\\amaro\\AppData\\Local\\Microsoft\\Windows\\INetCache/mypaint/doc.dl856eq0')}
AssertionError: 

[✍ Paste any error messages here between the ``` lines.]
![error](https://user-images.githubusercontent.com/91238393/134453341-f7db13fc-e327-473b-b168-689189618bc0.PNG)