XenForo Blank Page in Admin Control Panel

[Hiticas]

Hy i have a problem with control panel

https://mysite/admin.php work without any problem but when i go anyware on control panel section i have a blank page . I have this error in error log database



Code:

Template admin:PAGE_CONTAINER error: Unknown format specifier "R"


Code:

src/XF/Template/Templater.php

Code:

#0 src/XF/Template/Templater.php(3673): sprintf('%s | Romania In...', 'Server error lo...', 'Romania In ...')
#1 src/XF/Template/Templater.php(1220)...

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