First SetROI" OK but followers SetROI are KO

Hi,
I have done a mission like:
1-Waypoint
2-Set ROI A
3-WP
4-WP
5-WP
6-Set ROI B
7-WP
8-WP

In step 2, set ROI A is done and ok for step 3, 4, 5. In step 6 Set ROI B is done and OK for step 7… but after step 7, ROI seems to be A again !!!

Anyone else have this bug ?