Please check with the following reasons for agent earning not calculating
Task should have a template attached.
Agent must travel in real time.
To know more about Task Pricing & Agent Earning, please check the link below
This add-on allows you to track your agent’s earnings & task pricing with configurable rule settings. You can pay compensation to your agents or calculate pricing for the customer on any value in the custom fields of the template. However, Once activated, the Earning & Pricing data is displayed in the Analytics section on Dashboard as well as Earning & Pricing tab