The application cannot connect to the specified database, because the database doesn't exist, its version is older than that of the application or its schema does not match the ORM data model structure. To avoid this error, use one of the solutions from the https://www.devexpress.com/kb=T367835 KB Article.

Inner exception: Unable to open database. Connection string: 'Pooling=false;Data Source=10.10.6.20,1433;Initial Catalog=HRMS;User ID=hrms_user;Password=***REMOVED***;'; Error: 'System.Data.SqlClient.SqlException (0x80131904): Login failed for user 'hrms_user'. Reason: The account is disabled.
at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager)
at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
at System.Data.SqlClient.SqlConnection.Open()
at DevExpress.Xpo.DB.MSSqlConnectionProvider.CreateDataBase(SqlConnection conn)
ClientConnectionId:cc8a1faf-0d4a-45de-b381-1a408a278ceb
Error Number:18470,State:1,Class:14' Please consider contacting an administrator about your login details.