Laravel, Composer update. No such file app/Helpers/Functions/core.php

I'm trying to deploy Laravel in my local machine, using composer update and I got error:

PHP Warning: require(/var/www/project/public/vendor/composer/../../app/Helpers/Functions/core.php): failed to open stream: No such file or directory in /var/www/project/public/vendor/composer/autoload_real.php on line 66

I tried to delete composer.lock and update again. Same issue. app/Helpers/Functions/core.php there really no files, but I didn't find any suggestions how to get that files.

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