System.OutOfMemoryException

Jag har nyligen fått detta error ifrån en site jag har byggt för ett tag sedan.
Den har rullat på hyffsat bra, inga andra error hitintills.

Exception of type 'System.OutOfMemoryException' was thrown.
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.OutOfMemoryException: Exception of 
type 'System.OutOfMemoryException' was thrown.

Source Error: 

[No relevant source lines]
 

Source File: App_Web_jpfum_hw.4.cs    Line: 0 

Stack Trace: 

[OutOfMemoryException: Exception of type 'System.OutOfMemoryException' 
was thrown.]
   System.Reflection.Assembly._nLoad(AssemblyName fileName, String 
codeBase, Evidence assemblySecurity, Assembly locationHint, 
StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean 
forIntrospection) +0
   System.Reflection.Assembly.nLoad(AssemblyName fileName, String 
codeBase, Evidence assemblySecurity, Assembly locationHint, 
StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean 
forIntrospection) +54
   System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, 
Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean 
forIntrospection) +211
   System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence 
assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) 
+141
   System.Reflection.Assembly.Load(String assemblyString) +25
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String 
assemblyName, Boolean starDirective) +32

[ConfigurationErrorsException: Exception of 
type 'System.OutOfMemoryException' was thrown.]
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String 
assemblyName, Boolean starDirective) +596
   System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomai
nBinDirectory() +211
   System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +46
   System.Web.Configuration.AssemblyInfo.get_AssemblyInternal() +3014107
   System.Web.Compilation.CompilationUtil.GetTypeFromAssemblies
(AssemblyCollection assembliesCollection, String typeName, Boolean 
ignoreCase) +136
   System.Web.Compilation.BuildManager.GetType(String typeName, Boolean 
throwOnError, Boolean ignoreCase) +325
   System.Web.UI.Page.get_IsPartialRenderingSupported() +71
   System.Web.UI.WebControls.BaseValidator.RegisterValidatorCommonScript() +24
   System.Web.UI.WebControls.BaseValidator.OnPreRender(EventArgs e) +70
   System.Web.UI.Control.PreRenderRecursiveInternal() +86
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Page.ProcessRequestMain(Boolean 
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +7248
   System.Web.UI.Page.ProcessRequest(Boolean 
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +213
   System.Web.UI.Page.ProcessRequest() +86
   System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) 
+18
   System.Web.UI.Page.ProcessRequest(HttpContext context) +49
   ASP.contact_aspx.ProcessRequest(HttpContext context) in 
App_Web_jpfum_hw.4.cs:0
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecution
Step.Execute() +358
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& 
completedSynchronously) +64