How to fix errors that got into the log file?

Question

Laravel

/var/www/html/storage/logs
Writes about something unknown in the app.blade.php file , that is, in the header, how can I find it later?

[2019-06-28 10:22:44] local.ERROR: Undefined index: HTTP_HOST (View: /var/www/html/resources/views/layouts/app.blade.php) (View: 
/var/www/html/resources/views/layouts/app.blade.php) {"exception":"[object] (ErrorException(code: 0): 
Undefined index: HTTP_HOST (View: /var/www/html/resources/views/layouts/app.blade.php) (View: /var/www/html/resources/views/layouts/app.blade.php) at 
/var/www/html/storage/framework/views/ff4147596972e84a0b97188cd66ccc784bdf5c55.php:65, ErrorException(code: 0): Undefined index: HTTP_HOST (View: /var/www/html/resources/views/layouts/app.blade.php) at /var/www/html/storage/framework/views/ff4147596972e84a0b97188cd66ccc784bdf5c55.php:65, ErrorException(code: 0): Undefined index: HTTP_HOST at /var/www/html/storage/framework/views/ff4147596972e84a0b97188cd66ccc784bdf5c55.php:65)
[stacktrace]
#0 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php(45): Illuminate\\View\\Engines\\CompilerEngine->handleViewException(Object(ErrorException), 1)
#1 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php(59): Illuminate\\View\\Engines\\PhpEngine->evaluatePath('/var/www/html/s...', Array)
#2 /var/www/html/vendor/laravel/framework/src/Illuminate/View/View.php(142): Illuminate\\View\\Engines\\CompilerEngine->get('/var/www/html/r...', Array)

Answer 1

So you seriously can't read the error? In the same place, in black and white, the absence of an index in the array