How to fix the «The "autoload" field is not set or empty in the "composer.json" file; please verify the archive.» issue for a Magento Marketplace metapackage?

Magento Marketplace

dmitrii_fediuk (Dmitrii Fediuk) January 18, 2018, 2:20pm 2

The previous time, it took 40 days for Magento Marketplace team to respond to a contact form message.
Let’s see will it be faster now.