Fatal error Class Illuminate Foundation Application not found

Question

I am getting following error when I open my site which is made using laravel 5     Fatal error  Class  Illuminate Foundation Application  not found in C  cms bootstrap app php on line 14   I have tried removing vendor folder and composer lock file and running composer install it s not working I tried running PHP artisan optimize but it shows error     Fatal error  Class Illuminate Foundation Application  not found   Is there any way to solve this problem   Edited  This problem aroused as soon as I used the php artisan make model Page command which did create the model but then the above error gets displayed when I access the site Also If use the Larvel s Local Development Server no such problem arises only if I use wamp server

User · Answer

I can t imagine that anyone else reading this is a stupid as I was but just in case    I had accidentally removed  laravel framework     5 6  from my composer json when resolving merge conflicts

User · Answer

In my case composer was not installed in that directory  So I run composer install  then error resolved  or you can try composer update --no-scripts cd bootstrap cache - gt rm -rf   php composer dump-autoload

User · Answer

please test below solution   first open command prompt cmd    gt  window r and go to the location where laravel installed   try composer require laravel laravel

User · Answer

Something is clearly corrupt in your Laravel setup and it is very hard to track without more info about your environment  Usually these 2 commands help you resolve such issues  php artisan clear-compiled composer dump-autoload   If nothing else helps then I recommend you to install fresh Laravel 5 app and copy your application logic over  it should take around 15 min or so

User · Answer

Just in case I trip over this error in 2 weeks again    My case  Checkout an existing project via git and pull in all dependencies via composer  Came down to the same error listed within the title of this post   Solution   composer dump-autoload composer install --no-scripts   make sure everything works now as expected  no errors    composer update

User · Answer

i was having same problem with this error  It turn out my Kenel php is having a wrong syntax when i try to comply with wrong php8 syntax The line should be protected  commands                instead of protected array  commands

User · Answer

In my situation  I didn t have the full vendor dependencies in place  composer file was messed up during original install  - so running any artisan commands caused a failure   I was able to use the --no-scripts flag to prevent artisan from executing before it was included   Once my dependencies were in place  everything worked as expected   composer update --no-scripts

User · Answer

I had accidentally commented out   require   DIR        bootstrap autoload php     in      public index php  When pasting in some debugging statements

User · Answer

For latest laravel version also check your version because I was also facing this error but after update latest php version  I got rid from this error

User · Answer

I just fixed this problem  Different Case with same error   The answer above I tried may not work because My case were different but produced the same error  I think my vendor libraries were jumbled  I get this error by  1  Pull from remote git  master branch is codeigniter then  I do composer update on master branch  I wanted to work on laravel branch then I checkout and do composer update so I get the error       Fatal error  Class  Illuminate Foundation Application  not found in   C  cms bootstrap app php on line 14   Solution  I delete the project on local and do a clone again  after that I checkout to my laravel file work s branch and do composer update then it is fixed

User · Answer

Easy as this  that worked for my project  Delete  vendor folder and execute composer install then run project php artisan serve

[php] Fatal error: Class 'Illuminate\Foundation\Application' not found

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