Advertisements Your requirements could not be resolved to an installable set of packages. Problem 1 – barryvdh/laravel-debugbar is locked to version v2.3.2 and an update of this package was not requested. s with another require. Problem 2 – barryvdh/laravel-dompdf is locked to version v0.8.2 and an update of this package was not requested. – barryvdh/laravel-dompdf… Read More Upgrading an old laravel application to laravel 8 raised this jessenger/date errors