I uninstalled dnntoolset.com's powerdirectory module and now my site is down with the following error:

I have no idea how to get the site back to working short of restoring from backup.  Any ideas would be appreciated.

Server Error in '/' 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: BC30451: Name 'SqlHelper' is not declared.

Source Error:

 

Line 114:
Line 115:        Public Overrides Sub AddHtmlText(ByVal moduleId As Integer, ByVal desktopHtml As String, ByVal desktopSummary As String, ByVal userID As Integer)
Line 116:            SqlHelper.ExecuteNonQuery(ConnectionString, DatabaseOwner & ObjectQualifier & "AddHtmlText", moduleId, desktopHtml, desktopSummary, userID)
Line 117:        End Sub
Line 118:
 

Source File: D:\inetpub\dotnetnuke\App_Code\HTML\Providers\DataProviders\SQLDataProvider\SqlDataProvider.vb    Line: 116