我在打开web browser得到这个编译错误，很奇怪，两个路径是一样的，请教各位是怎么回事？先谢谢了。
Server Error in '/msaapps/ServiceAwardAdmin' Application.
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Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0433: The type 'Micron.Messaging.Mail' exists in both 'c:\WINDOWS\assembly\GAC\micron.mailpage.net\1.1.0.0__2d8c82d3a1452ef1\micron.mailpage.net.dll' and 'c:\WINDOWS\assembly\GAC\micron.mailpage.net\1.0.0.0__2d8c82d3a1452ef1\micron.mailpage.net.dll'
Source Error:
Line 384: public void SendEmail(string InFrom, string InTo, string InCC, string InSubject, string InMailBody, string InAttachmentFilename)
Line 385: {
Line 386: Micron.Messaging.Mail objMail = new Mail();
Line 387: string lTestReceiver = System.Configuration.ConfigurationSettings.AppSettings.Get("TestReceiver").ToString();
Line 388: string ltestbody = "";
Source File: e:\inetpub\wwwroot\iisgen\msaapps\ServiceAwardAdmin\App_Code\DataAccess.cs Line: 386
