1. Start the Editor.
2. Place an explosive specialist on the map.
3. Change its weapon to TAR-21 GL F.
4. Add an arco optic and a holosight optic to the inventory of the character.
6. Open the inventory.
7. Put the arco optic to the optic slot of the TAR-21 GL F in the inventory.
8. Close the inventory.
10. Switch the optic from red dot to x12 zoom and zoom in and zoom out.
11. Open the inventory and put the holosight to the slot with the arco optic.
12. Zoom in with the holosight optic.
13. "Out of memory"-Crash!