Interface ‘MonologResettableInterface’ not found when running a new project

Whenever I try to run any command related to php artisan or composer this error shows up:

PHP Fatal error: Interface ‘MonologResettableInterface’ not found in pathtoprojectrootvendormonologmonologsrcMonologLogger.php on line 28

I open the file, and it points me to :

class Logger implements LoggerInterface, ResettableInterface

I try to find the Logger interface and it’s there.

I really can’t find any other solutions and the ones recommended here by SO are outdated.

I use laravel 5.7 running composer version 1.8.0 on a xampp server with PHP 7.2.10 on Windows 10

Please feel free to ask more questions and I’ll try to answer them without ruining my NDA.

Update: it works now thanks to that one person who answered.

Answer

If anyone needs this solution, you can do what Saumini Navaratnam suggested; removing the vendor folder and running composer update on the root folder. I, myself found another solution that might work and it is: running composer update --no-dev as the ResettableInterface came from a dev dependency. Weird, but it works fine now.

Again this works only on Laravel 5.7, at least for now.