**After pressing CTRL+SHIFT+U (step 2 above), an error usually occurs:**
{F6219819}
**Editable prefab should have an icon with an orange bar (step 3 above):**
{F6219821}
**Logs:**
{F6219825}
**crash.log snip (I've been sending these all day today):**
24.10 2025 23:53:32
Unhandled exception
Program: D:\STEAM\steamapps\common\Arma Reforger Experimental Tools\Workbench\ArmaReforgerWorkbenchSteamDiag.exe
Reason: Access violation. Illegal read by 0x7ff656b58a1a at 0xe