I don't know if this will help. This is what I get when I go to the listings page.
Server Error in '/' Application.
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Server Too Busy
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: Server Too Busy
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[HttpException (0x80004005): Server Too Busy]
System.Web.HttpRuntime.RejectRequestInternal(HttpWorkerRequest wr) +146
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Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET Version:1.1.4322.2032