404 Not found error after update to WordPress 5.0

First I tried to disable all plugins and change theme to the default WordPress theme and error is showing yet.

Then tried to install a new WordPress 5.0.1 and got 2 errors:

theme.min-rtl.css:1 Failed to load resource: the server responded with a status of 404 (Not Found)
style.min-rtl.css:1 Failed to load resource: the server responded with a status of 404 (Not Found)

I changed the WP language to English and the errors gone. and the errors comeback on all right to left languages. so it seems to be a WP issue and needs to be fixed in future versions.

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