When adding or changing channels of large number of systems using System Set Manager(SSM) the Satellite WebUI times out ?

Issue

• From the Satellite WebUI add systems to System Set Manager(SSM), submit a request to subscribe a large number of systems to a child channel (Channels > click on the child channel name > Target Systems > check a large number of target systems or click "Select All" > Confirm > Subscribe) this times out and could see Internal Server Error.