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Hi In WFE servers of SharePoint 2016 in uls logs there are many DCache errors like below and server performance is high

w3wp.exe (0x0918)   0x2C48  SharePoint Foundation   DistributedCache    aa6e5   Unexpected  
Unexpected error in Decrypt - Exception 'System.Security.Cryptography.CryptographicException: Padding is invalid and cannot be removed.
at System.Security.Cryptography.CapiSymmetricAlgorithm.DepadBlock(Byte[] block, Int32 offset, Int32 count)
at System.Security.Cryptography.CapiSymmetricAlgorithm.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount)
at System.Security.Cryptography.CryptoStream.FlushFinalBlock()     at System.Security.Cryptography.CryptoStream.Dispose(Boolean disposing)     at System.IO.Stream.Close()
 at Microsoft.SharePoint.DistributedCaching.SPDistributedCacheUtils.Transform(Byte[] buffer, ICryptoTransform transformer)     at Microsoft.SharePoint.DistributedCaching.SPDistributedCacheUtils.Transform(Byte[] secretKey, Byte[] buffer, 
Boolean encrypt)     at Microsoft.SharePoint.DistributedCaching.SPDistributedCacheUtils.Decrypt(Byte[] secretKey, Byte[] buffer)'.  
e942a99e-a39e-708e-14d1-17caed54aa6a

http://intranet.xxx/vendors/bootstrap/css/bootstrap.rtol.css

below error in event viewer:

Exception information: 
    Exception type: HttpException 
    Exception message: Server cannot append header after HTTP headers have been sent.
   at System.Web.HttpResponse.AppendHeader(String name, String value)
   at Microsoft.SharePoint.ApplicationRuntime.SPRequestModule.PostResolveRequestCacheHandler(Object oSender, EventArgs ea)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)



Request information: 
    Request URL: http://intranet.xxxx/PublishingImages/Smallimg/3.jpg

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