我有一个自己开发的Web部件，如果我手动安装该Web部件就没问题。但是，当我按照本网站上的说明打包Web部件时:http://www.theartofsharepoint.com/2007/05/how-to-build-solution-pack-wsp.html我在日志文件中收到此错误:09/23/200814:13:03.67w3wp.exe(0x1B5C)0x1534WindowsSharePointServicesWebParts8l4dMonitorableErrorimportingWebPart.CannotimportProjectFilter.09/23/20081