The setting is in: Administration Center > Features > Projects.
Automatically calculate Estimated Revenue from subprojects gives you the opportunity to adjust the method of calculating the estimated costs for superior projects. More information about superior projects can be found in the chapter: Projects Module Introduction.
Click Automatically calculate Estimated Revenue from subprojects to turn the setting on/off.
If the function is turned on, the value in the Estimated Revenue in the Project window, which is adjusted as superior projects to other projects, is automatically calculated as the sum of the estimated revenues in all its sub-projects.
If the function is turned off, the automatic sum of estimated prices function is deactivated.
When you change the settings, be sure to click Save. For more information, go to Features.