ErrorCode=SqlFailedToConnect,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=Cannot connect to SQL Database. Please contact SQL server team for further support. Server: 'ABC', Database: 'ABC', User: 'ABBC'. Check the linked service configuration is correct, and make sure the SQL Database firewall allows the integration runtime to access.,Source=Microsoft.DataTransfer.ClientLibrary,''Type=System.Data.SqlClient.SqlException,Message=Login failed for user 'ABC'.,Source=.Net SqlClient Data Provider,SqlErrorNumber=18456,Class=14,ErrorCode=-2146232060,State=1,Errors=[{Class=14,Number=18456,State=1,Message=Login failed for user 'ABBC'.,},],'
What are the possible fixes for this?