na_0032: Use of merge blocks
When using Merge blocks:
Signals entering a merge block must not branch off to other blocks
Buses must be identical This includes:
Number of elements
Element data type
Buses must be either all virtual or all nonvirtual
Bus lines entering a merge block must not branch off to other blocks.
By Task > Modeling Standards for MAAB > Simulink > Check usage of merge blocks
For check details, see Check usage of Merge blocks (Simulink Check).