Server Error in '/SelfCare' Application.
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
http://go.microsoft.com/fwlink/?LinkID=314055
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: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
http://go.microsoft.com/fwlink/?LinkID=314055
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:
[ViewStateException: Invalid viewstate.
Client IP: 82.205.182.66
Port: 53561
Referer: https://sbs.beinsports.net/selfCare/login.aspx
Path: /selfCare/login.aspx
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Maxthon/4.4.6.1000 Chrome/30.0.1599.101 Safari/537.36
ViewState: 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...]
[HttpException (0x80004005): Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
http://go.microsoft.com/fwlink/?LinkID=314055]
System.Web.UI.ViewStateException.ThrowMacValidationError(Exception inner, String persistedState) +12151363
System.Web.UI.ObjectStateFormatter.Deserialize(String inputString, Purpose purpose) +12042127
System.Web.UI.Util.DeserializeWithAssert(IStateFormatter2 formatter, String serializedState, Purpose purpose) +67
System.Web.UI.HiddenFieldPageStatePersister.Load() +12042335
System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +12299717
System.Web.UI.Page.LoadAllState() +51
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +12292555
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +12292073
System.Web.UI.Page.ProcessRequest() +119
System.Web.UI.Page.ProcessRequest(HttpContext context) +99
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +913
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +165