Hata veriyor site ekleyemedim bilginize,

Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

See http://go.microsoft.com/fwlink/?LinkID=314055 for more information.

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 <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

See http://go.microsoft.com/fwlink/?LinkID=314055 for more information.

Source Error:


[No relevant source lines]

Source File: c:\windows\Microsoft.NET\Framework\v4.0.30319\Temp orary ASP.NET Files\root\56b32b53\715b7525\App_Web_2nuphzrp.0.cs Line: 0

Stack Trace:


[ViewStateException: Invalid viewstate.
Client IP: 78.189.226.117
Port: 49884
Referer: http://www.trfirma.net/firma_ekle
Path: /firma_ekle
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36

.... ....

--R10.NET; Flood Engellendi -->-> Yeni yazılan mesaj 15:21:20 -->-> Daha önceki mesaj 15:00:21 --

Problem, bu kadar hızlı giderilsin, süper
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