Project Server: Could not get the application proxy object

In Project Server, I have tried to browse the PWA instance site. but I got the below error.

Could not get the application proxy object

Could not get the application proxy object

This problem might occur because of

• Project Application Service is stopped.
• Project Server PSI Service Application or its proxy was stopped.
• Project Server PSI Service Application was started but not connected to the main web application.

Solution

• Go to Central Administration > Manage Service Application.
• Make sure that the Project Server Service Application and its Service Proxy is Started.

• If it is stopped, check the Project Application service status by doing the following:
  • System Settings > Manage services on the server.
  • If the Project Application service is stopped, try to restart it.

• If the problem still persists,  you still have one choice before you decide to recreate a new Project Server Service Application again.
  • Go to Central Administration > Manage Web Application.
  • Select your web application that host the project site collection >Click  Service Connections > Be sure that Connects to Project server Application was checked.

• In my case, the Project Application service was not associated with the current web application
• If the problem still persists,  you only have one option to delete Project Server Service Application and reconfigure it again.

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Applies To

• Project Server 2016.
• Project Server 2013.
• Project Server 2010.

See Also

• Install and Configure Project Server 2016 step by step.
• The namespace Resources already contains a definition for PWA 2016