Fenix 6X, display workout of Strength

I created workout routine in Strength and found some workout name is not showing on watch screen.

For example, created below repeats.

1) Dumbbell Shoulder Press 10 reps 20 kg, repeat 3 times

2) Lateral Raise 10 reps 16 kg, repeat 3 times

3) Leg extension 10 reps 50 kg, repeat 3 times

4) Bench press 10 reps 60 kg, repeat 3 times

Once I finish rep of 1st workout, I can see on watch. "10 Reps 20Kg Dumbbell Shoulder Press"

But after 3 reps of 1st workout, next workout is displayed as "10 Reps 16Kg". No activity name.

But after 2nd workout, next workout is displayed as "10 Reps 50Kg Leg extension".

After 3rd, no name of workout, just displayed "10 Reps, 60Kg".

I tried to deleted workout and re-created, same issue.

Anyone got similar issue like this?