i have an drupal 9 installation and wanted to test the module like_and_dislike and the other 2, but it gave me errors, and now i cant even get into edit user page etc, i get this error
The website encountered an unexpected error. Please try again later. Error: Call to undefined method Drupal\user\Entity\User::getUsername() in Drupal\alt_login\Plugin\AltLoginMethod\Username->getAlias() (line 67 of modules/alt_login/src/Plugin/AltLoginMethod/Username.php).
Im used to drupal 7 and im a big noob in coding etc, but i managed to create a website with drupal 7 wich im pretty proud of, now i wanted to rebuild the website on drupal 8 or 9 and so i started off, but it asks me to install modules using composer.
now i spend alot of time how to install composer using ssh, finaly got that working.