[Solved] Drush command terminated abnormally

Jan F. Asks: Drush command terminated abnormally
I’m using GitHub – drupal-composer/drupal-project: Composer template for Drupal projects. Quick installation via “composer create-project drupal-composer/drupal-project” and get an error when starting drush:

[~/public_html/drupal]# alias drush="~/.composer/vendor/bin/drush"
[~/public_html/drupal]# drush
[error]  Drush command terminated abnormally due to an unrecoverable error.
 Error: Cannot declare class DrushCommandsDrushCommands, because the name is already in use in /home/myuser/.composer/vendor/drush/drush/src/Commands/DrushCommands.php, line 12

What am I missing oder messing up?

Ten-tools.com may not be responsible for the answers or solutions given to any question asked by the users. All Answers or responses are user generated answers and we do not have proof of its validity or correctness. Please vote for the answer that helped you in order to help others find out which is the most helpful answer. Questions labeled as solved may be solved or may not be solved depending on the type of question and the date posted for some posts may be scheduled to be deleted periodically. Do not hesitate to share your response here to help other visitors like you. Thank you, Ten-tools.