Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

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:

[NullReferenceException: Object reference not set to an instance of an object.]
Mangiro.Web.Global.GetVaryByCustomString(HttpContext context, String custom) in R:\agent\_work\547\s\Web\Global.asax.cs:251
System.Web.UI.BasePartialCachingControl.ComputeVaryCacheKey(HashCodeCombiner combinedHashCode, ControlCachedVary cachedVary) +1161
System.Web.UI.BasePartialCachingControl.InitRecursive(Control namingContainer) +193
System.Web.UI.Control.AddedControl(Control control, Int32 index) +218
Mangiro.Controls.ControlLoader.OnInit(EventArgs e) in R:\agent\_work\547\s\Controls\ControlLoader.cs:151
System.Web.UI.Control.InitRecursive(Control namingContainer) +172
System.Web.UI.Control.InitRecursive(Control namingContainer) +379
System.Web.UI.Control.InitRecursive(Control namingContainer) +379
System.Web.UI.Control.InitRecursive(Control namingContainer) +379
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +490


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0