Modification in a BLANK MOD ARK ASCENDED take effect only if i restart the devkit

HI, i make new structures and do all correctly on ARK DEVKIT. When i start the simulation the engrams i creat don’t appear in my caracter. I need restart devkit or EpicGame for my work take effect … and the work is invisibl if i upload him in the game… i re download the devkit etc i do everything. Soemone can help ?