Pathologic was missing because of a .git folder inside.

[yaffs-website] / web / modules / contrib / layouter / composer.json

{
    "name": "drupal/layouter",
    "description": "Allows to choose one of predefined layouts which is applied to the content that you want to put into textarea fields.",
    "type": "drupal-module",
    "license": "GPL 2.0+",
    "minimum-stability": "dev"
}