New Project Plan creation always fails in Project Server 2013.

Symptoms Any new project plan creation process fails with below error message in the queue. Even using out of the box Basic Project Plan EPT does not help. General Project: ProjectNameAlreadyExists(1034). Details: id='1034' name='ProjectNameAlreadyExists' uid='fd477e47-c74f-e411-8d41-005056956a3d' projName=''. Queue: GeneralQueueJobFailed (26000) – ProjectCreate.ProjectAddToMessage. Details: id='26000' name='GeneralQueueJobFailed' uid='fd4177e47-c74f-e411-8d41-005056956a3d' JobUID='00500d41-c74f-e411-9203-005056956a39' ComputerName='dfc43234-896b-417b-b19f-a01571d6fed3' GroupType='ProjectCreate' MessageType='ProjectAddToMessage' MessageId='1' Stage='' CorrelationUID='987ac09c-1eed-a084-03d1-1f6959c4d76c'. For more details, check…

3