Can not add Database Cluster to PostGreSQL plugin configuration. (4047912)

When attempting to add a Database Cluster to the PostGreSQL plugin a pop-up appears indicating that the plugin configuration is incorrect and suggests checking :

• Port
• Database SuperUser
• Password
• PostGreSQL Bin Directory
• PostGreSQL Data Directory
• Database Used for Initial Connection
• Template Database Used During Create Database

After confirming the configuration is correct by logging into PostGreSQL using the credentials configured for the PostGreSQL plugin, the database cluster can still not be added.