※ Query Execution Error..

Error Souce	.Net SqlClient Data Provider
Error Message	로그인에서 요청한 데이터베이스 "KCOU"을(를) 열 수 없습니다. 로그인이 실패했습니다. 사용자 'sa'이(가) 로그인하지 못했습니다.
Stack	위치: System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) 위치: System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 위치: System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) 위치: System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 위치: System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) 위치: System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 위치: System.Data.SqlClient.SqlConnection.Open() 위치: www.common.module.DataBase.DBOpen()