Workflow Start Error "WorkflowCannotStartWorkflow"

Hi Guys,

 I'm getting the following error when I create a project. Is there something I'm missing? I followed all the steps given in installation document.

    Workflow:
        WorkflowWorkflowProxyAccountNotFound (35117). Details: id='35117' name='WorkflowWorkflowProxyAccountNotFound' uid='2f5471f7-1ed9-e311-be75-000c2951292c'.
    Error:
        WorkflowCannotStartWorkflow (35100). Details: id='35100' name='WorkflowCannotStartWorkflow' uid='305471f7-1ed9-e311-be75-000c2951292c'.
    Queue:
        GeneralQueueJobFailed (26000) - WorkflowStartWorkflow.WorkflowStartWorkflowMessage. Details: id='26000' name='GeneralQueueJobFailed' uid='315471f7-1ed9-e311-be75-000c2951292c' JobUID='d157c8f2-1ed9-e311-be75-000c2951292c' ComputerName='8ee901a1-4b3c-43cb-b974-00dbdeca3f41' GroupType='WorkflowStartWorkflow' MessageType='WorkflowStartWorkflowMessage' MessageId='1' Stage='' CorrelationUID='67e08f9c-b302-5085-a3f4-1500c8479513'. For more details, check the ULS logs on machine 8ee901a1-4b3c-43cb-b974-00dbdeca3f41 for entries with JobUID d157c8f2-1ed9-e311-be75-000c2951292c. 

Thanks,

Kashif