I am getting following error in sharepoint log:
SharePoint Foundation DistributedCache air4g Monitorable Token Cache: Failed to initialize SPDistributedSecurityTokenCache
Exception: 'System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ApplicationServer.Caching.Client, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its
dependencies. The system cannot find the file specified. File name: 'Microsoft.ApplicationServer.Caching.Client, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'
at Microsoft.SharePoint.DistributedCaching.SPDistributedCache..ctor(String name, TimeSpan timeToLive, SPDistributedCacheContainerType containerType, Boolean encryptData) at Microsoft.SharePoint.IdentityModel.SPDistributedSecurityTokenCache..ctor(String name, TimeSpan timeToLive, SPDistributedCacheContainerType containerType, Boolean encrptyData, TimeSpan minimumTokenExpirationWindow) at
Microsoft.SharePoint.IdentityModel.SPDistributedSecurityTokenCacheInitializer.Init(Object state) '. 8230259d-fbbb-5052-7c30- 3e222f733e42
Please guide me on this issue.