In NSA, we don't have SIB1. However, the DU system information requires both MIB and SIB1, but is itself optional. So, in NSA, don't fill the DU system information.
In NSA, we don't have SIB1. However, the DU system information requires both MIB and SIB1, but is itself optional. So, in NSA, don't fill the DU system information.