Hi,

to reproduce the issue；
1, download the attached file and unzip
2, put DataGraph.axf into C:/
3, open DataGraph.jdebug using ozone
4, download and run, capture data for more than 180s and pause the program, save snapshot
5, load the saved snapshot
6, change the time-scale of timeline window form 1s to 2s or 5s, data graph display corruption should be seen.

tools:
jlink ultra v4, ozone 3.36, stm32f103 eval board.

DataGraph.zip