upgrade from 2.80 to 3.0 failed

Oh boy...it's me again....

I just upgraded my 2.65 to 2.8 last week, so I am pretty familiar with the procedure.
It was working fine. I backed up my database, ran the database upgrade script and had no errors. I then copied all the files from the new 3.0 (no source) installation and merged them into my running site...overwriting all existing files.

Now when I try to view the site in a browser, I get a generic Internal Server Error:
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We're sorry, an internal error occurred.
Our supporting staff has been notified of this error and will address the issue shortly.
We apologize for the inconvenience.
Please try clicking your browsers 'back' button or try reloading the home page.
If you continue to receive this message, please try again in a little while.
Thank you for your patience.
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I've tried copying in all the 3.0 files again, but still get the same error.

Maybe the URL displayed in the address bar is a clue??:
http://myIPaddress/errorpage.htm?aspxerrorpath=/

What else can I try?

Thanks,
Steve

To find out what went wrong you need to turn off the custom errors mode.
1. Open web.config file
2. Find out the following line <customErrors defaultRedirect="errorpage.htm" mode="RemoteOnly">
3. Replace it with <customErrors defaultRedirect="errorpage.htm" mode="Off">

OK...I forgot I could do that. Thanks.

The resulting error is:

Server Error in '/' Application.

The controller for path '/' was not found or does not implement IController.

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: The controller for path '/' was not found or does not implement IController.

Source Error:


Line 28:     </ul>
Line 29:     <ul class="copyright">
Line 30:         @Html.Action("NopCommerceCopyright", "Fashion")
Line 31:         <li class="first">@Html.Action("ContentCopyrightNotice", "Fashion")</li>
Line 32:         <li><a href="@Url.RouteUrl("Topic", new { SystemName = "conditionsofUse" })">@T("ConditionsOfUse")</a></li>

Source File: c:\inetpub\wwwroot\MFSdev\Themes\Fashion\Views\Common\InfoBlock.cshtml    Line: 30

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It seems to have something to do with the theme I have installed. The new 3.0 version of that theme should be released tomorrow (nop-templates.com)...maybe this is just because I had the site set to use that theme at the time of the upgrade and there are conflicts..?

Steve

You use old version of the theme which does not support 3.00