如何解决Server Error in '/' Ap

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问题现象：如何解决
Server Error in '\/' ApplicaTion.
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The resource cannoT be found.
DescripTion: HTTP 404. The resource you are looking for (or one of iTs dependencies) could have been removed, had iTs name changed, or is Temporarily unavailable.  Please review The following URL and make sure ThaT iT is spelled correcTly.
RequesTed URL: \/BAPView\/Voucher.aspx
问题模块：用友T+总账
详细问题描述：在用友畅捷通T+财务管理软件的总账模块中碰到如下问题如何解决
Server Error in '\/' ApplicaTion.
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The resource cannoT be found.
DescripTion: HTTP 404. The resource you are looking for (or one of iTs dependencies) could have been removed, had iTs name changed, or is Temporarily unavailable.  Please review The following URL and make sure ThaT iT is spelled correcTly.
RequesTed URL: \/BAPView\/Voucher.aspx

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控制面板--管理工具--服务--asp.net state service   查看是否启动？

金喜悦会计啊达

点什么都有一半几率提示这个

金喜悦会计啊达

做什么提示这个