How to delete a project in progress

am using Windchill PDMLink Release 12.0 and Datecode with CPS 12.0.0.2

How to delete a project in progress

Here are the errors that I faced
Unable to delete project tag that has associated workspace: EPMWorkspace

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I am using Windchill PDMLink Release 12.0 and Datecode with CPS 12.0.0.2

如何删除正在进行中的项目

Here are the errors that I faced
无法删除项目标记，该项目具有关联的的工作区：EPMWorkspace