This is scaler resource conflict.
Refer /hdvpss/docs/ti816x/HDVPSS_SW_Concurrency.xls
It looks like you are opening DEI_HQ with VIP_SC output and also using VIP_SC in scaler path in SWMS and DEI_HQ in DEI_SC output path in SWMS.This wont work.
This is scaler resource conflict.
Refer /hdvpss/docs/ti816x/HDVPSS_SW_Concurrency.xls
It looks like you are opening DEI_HQ with VIP_SC output and also using VIP_SC in scaler path in SWMS and DEI_HQ in DEI_SC output path in SWMS.This wont work.