After upgrading from 5.6.7 to 6.1.5, I am getting the following exception. After the exception, reloading the exact same page works fine. It stays fine until the application pool recycles, then the exception happens again.
Any thoughts on a solution would be appreciated!
AssemblyVersion: 6.1.5
PortalID: 0
PortalName: FIRSTWA - Washington FIRST Robotics
UserID: 1
UserName: host
ActiveTabID: 388
ActiveTabName: Home
RawURL: /Default.aspx?tabid=388&error=The+string+parameter+%27tagPrefix%27+cannot+be+null+or+empty.%0d%0aParameter+name%3a+tagPrefix&content=0
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://firstwa.org.dnnmax.com/Home/tabid/388/Default.aspx
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.2; .NET CLR 1.1.4322; Zune 4.7)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: e04fa7b0-df95-4703-a4b2-006ecdcfcb84
InnerException: Could not load type 'DotNetNuke.Modules.XML.XmlController'.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.Compilation.BuildManager.GetType
StackTrace:
Message: System.Web.HttpException (0x80004005): Could not load type 'DotNetNuke.Modules.XML.XmlController'. at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throw , Boolean ignoreCase) at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
Source:
Server Name: GENERIC149