[Cause]
When $SSTEP.$SIMUL=TRUE, the master and slave must be in the same action line.
[Countermeasure]
Match the action, or set it to $SSTEP.$SIMUL=FALSE.
When $SSTEP.$SIMUL=TRUE, the master and slave must be in the same action line.
Match the action, or set it to $SSTEP.$SIMUL=FALSE.