Level 51
This certainly looks related to the SQLite. You might be able to try adding this following to your boot method of app/Providers/AppServiceProvider.php
\Illuminate\Support\Facades\Blade::setEchoFormat('e(utf8_encode(%s))');
https://laravel.com/api/5.7/Illuminate/View/Compilers/BladeCompiler.html#method_setEchoFormat
If that doesn't work you might find some ideas here
Alterantively use Mysql ?