2020 Q1 featured KB article - For Tridion Sites 9.1, error "No implementation found for step" seen when publishing with Deployer installed via the quickinstall script

Every few months, SDL Support will feature one of the Tridion Sites KB articles from the SDL Gateway. This month, an article to help customers installing Tridion Sites 9.1 on a development environment was selected. Visit the Tridion Sites KB to see other articles written by our support engineers when helping customers.  Subscribe to the Tridion Sites newsletter to receive a quarterly update on important product announcements and other technical information.
When installing the Tridion Sites 9.1 CD microservices via the quickinstall.ps1 script, an administrator may see that publishing fails with the error “No implementation found for step”. See KB article 000011717 for a detailed description of the issue and steps to resolve.