```
I'm sorry, but an uncaught exception occurred.
While loading <'Image' u'uni/nav/uni others.png'>:
File "renpy/common/000statements.rpy", line 531, in execute_call_screen
IOError: Couldn't find file 'uni/nav/uni others.png'.
-- Full Traceback ------------------------------------------------------------
Full traceback:
File "scripts/nav_uni.rpyc", line 57, in script
File "renpy/ast.py", line 1947, in execute
File "renpy/ast.py", line 1935, in call
File "renpy/statements.py", line 277, in call
File "renpy/common/000statements.rpy", line 531, in execute_call_screen
File "renpy/exports.py", line 2896, in call_screen
File "renpy/ui.py", line 295, in interact
File "renpy/display/core.py", line 2701, in interact
File "renpy/display/core.py", line 3193, in interact_core
File "renpy/display/core.py", line 2093, in draw_screen
File "render.pyx", line 519, in renpy.display.render.render_screen
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/layout.py", line 722, in render
File "render.pyx", line 154, in renpy.display.render.render
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/layout.py", line 722, in render
File "render.pyx", line 154, in renpy.display.render.render
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/layout.py", line 722, in render
File "render.pyx", line 154, in renpy.display.render.render
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/screen.py", line 675, in render
File "render.pyx", line 154, in renpy.display.render.render
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/layout.py", line 722, in render
File "render.pyx", line 154, in renpy.display.render.render
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/behavior.py", line 763, in render
File "renpy/display/layout.py", line 1127, in render
File "render.pyx", line 154, in renpy.display.render.render
File "render.pyx", line 247, in renpy.display.render.render
File "renpy/display/im.py", line 582, in render
File "renpy/display/im.py", line 266, in get
File "renpy/display/im.py", line 627, in load
File "renpy/loader.py", line 576, in load
IOError: Couldn't find file 'uni/nav/uni others.png'.
```
How to deal with