2025-11-20 15:48:39.798 +05:30 cf7e1ab6-83fc-4387-9a5a-c3bc66a9a100 ERR  Login failed for user ''.
2025-11-20 15:48:39.821 +05:30 cf7e1ab6-83fc-4387-9a5a-c3bc66a9a100 ERR  Token Regeneration failed System.Data.SqlClient.SqlException (0x80131904): Login failed for user ''.
   at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, Boolean applyTransientFaultHandling, String accessToken)
   at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
   at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)
   at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
   at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionPool.WaitForPendingOpen()
--- End of stack trace from previous location ---
   at Sang.Service.Common.CommonService.CommonEntityService.ExecuteProcedureWithResult(String procedureName, SqlParameter[] parameters)
   at Sang.Service.Common.Authentication.TokenService.RegenerateTokens(String refershToken)
   at Sang.Quantum.Api.Controllers.LoginController.RegenerateTokens(String refreshToken)
ClientConnectionId:3ab24948-2979-4294-a145-17055a6f5a93
Error Number:18456,State:1,Class:14