创设pwa web app时报错,坐等高手解答!

创建pwa web app时报错,坐等高手解答!!!!!
前面设置都没有问题,但是在设置PWA时出现问题,具体错误如下:
未能设置网站 PWA,出现错误: Microsoft.Office.Project.Server.Administration.ProvisionException: Failed to 
未能设置网站 PWA,出现错误: Microsoft.Office.Project.Server.Administration.ProvisionException: Failed to provision databases. ---> Microsoft.Office.Project.Server.Administration.ProvisionException: Failed to get schema version of Published database - Data Source=foss;Initial Catalog=ProjectServer_Published
  在 Microsoft.Office.Project.Server.Administration.PsiServiceApplication.CheckDatabaseVersion(String dbName, Version verBuild, String strConn, String guid)
  在 Microsoft.Office.Project.Server.Administration.PsiServiceApplication.EnsureDatabases(ProjectProvisionSettings provset, SPSite pwaSite, String adminName, String adminEmail, ProjectDatabaseStateType& originalDatabaseState, Guid& adminGuid)
  --- 内部异常堆栈跟踪的结尾 ---
  在 Microsoft.Office.Project.Server.Administration.PsiServiceApplication.EnsureDatabases(ProjectProvisionSettings provset, SPSite pwaSite, String adminName, String adminEmail, ProjectDatabaseStateType& originalDatabaseState, Guid& adminGuid)
  在 Microsoft.Office.Project.Server.Administration.PsiServiceApplication.CreateSite(ProjectProvisionSettings provset)

麻烦高手指点下

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参考下: http://blogs.msdn.com/b/brismith/archive/2011/02/07/project-server-2010-common-project-web-app-pwa-provisioning-problems.aspx
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升级sharepoint了 数据库版本的问题吧?