Here we would like to draw your attention to SCA1 transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SCA1 is a transaction code used for Cannot be executed directly in SAP.
It comes under the package SZC.
Transaction SCA1 technical data table
|Purpose||Cannot be executed directly|