PreFab-Editor Exception on start

Major P

Major P

Refugee
Version
2.6
Platform
Windows
Every time I start the PreFab-Editor in 2.6 it wont show up.
I get an OutOfRangeException and the debugwindow pops up, The loading screen is still shown and you can toggle hints.
I first thought the loading is freezed, but the editor seems to be fully functional but not shown.
I tried tp 0 0 0 and that brought me back to normal functionality.
 
Reproduction Steps
On each start of the PreFab-Editor
Link to Logs
https://pastebin.com/iFgWwmRv
Link to Screenshot/Video
https://about.blank
Hello Major P,

Please unlock the log post to allow us to investigate further. Without the log, it's hard to determine what is happening. With that said, I was able to start the editor this morning in the current 2.6 build with no issues.

Without seeing the log, I would be sure to remove any mods, including POI mods, and validate your files to see if this allows the editor to function.

Cheers,
Dollie
 
Sorry for that, I havent set a password and now I cant unlock it with a blank password. I think its all about the drone. The exeption part is:

Error.log
2026-03-31T16:53:05 196.948 INF StartGame done
2026-03-31T16:53:05 196.953 INF [EOS] Server registered, session: b7d099e3c30447cd8b45e35002513bb0, 56 attributes
2026-03-31T16:53:05 196.957 INF [EOS] Session address: 3*.1*.2*.11*
2026-03-31T16:53:06 197.893 INF Dymesh: Warming dynamic mesh
2026-03-31T16:53:06 197.893 INF Dymesh: Creating dynamic mesh manager
2026-03-31T16:53:06 197.897 INF Dymesh: Awake
2026-03-31T16:53:06 197.898 INF Dynamic Mesh will not run in this game mode
2026-03-31T16:53:06 197.900 INF Dymesh door replacement: imposterBlock
2026-03-31T16:53:06 197.953 INF Respawn almost done
2026-03-31T16:53:06 198.602 INF 43958 Drone PostInit [type=EntityDrone, name=entityJunkDrone, id=172], (13.02, 17.03, -33.88) (chunk 0, -3), rbPos (13.02, 17.03, -33.88)
2026-03-31T16:53:06 198.603 INF Refresh Drone Position Waypoint 172 False
IndexOutOfRangeException: Index was outside the bounds of the array.
at EntityDrone.LoadMods () [0x003e5] in <673cee7f1b1143818476bdf642f7434b>:0
at EntityDrone.OnAddedToWorld () [0x00021] in <673cee7f1b1143818476bdf642f7434b>:0
at World.SpawnEntityInWorld (Entity _entity) [0x00119] in <673cee7f1b1143818476bdf642f7434b>:0
at DroneManager.CreateDroneEntity (EntityCreationData data, World world) [0x00020] in <673cee7f1b1143818476bdf642f7434b>:0
at DroneManager.SpawnFollowingDronesForPLayer (System.Int32 entityId, World world) [0x00053] in <673cee7f1b1143818476bdf642f7434b>:0
at GameManager.PlayerSpawnedInWorld (ClientInfo _cInfo, RespawnType _respawnReason, Vector3i _pos, System.Int32 _entityId) [0x000b2] in <673cee7f1b1143818476bdf642f7434b>:0
at PlayerMoveController.updateRespawn () [0x00971] in <673cee7f1b1143818476bdf642f7434b>:0
at PlayerMoveController.Update () [0x0016a] in <673cee7f1b1143818476bdf642f7434b>:0

2026-03-31T16:53:07 198.954 INF [Steamworks.NET] GameServer.LogOn successful, SteamID=90283723414450183, public IP=3*.1*.2*.11*
2026-03-31T16:53:07 198.963 INF [Steamworks.NET] Trying to create Lobby (visibility: k_ELobbyTypeFriendsOnly)
2026-03-31T16:53:07 198.964 INF [Discord] Global lobby: 31.19.29.118_A59FCFEC7353BF4088315C9D34ACA6DD
2026-03-31T16:53:07 198.964 INF [Discord] CreateOrJoinLobby: 31.19.29.118_A59FCFEC7353BF4088315C9D34ACA6DD, session=b7d099e3c30447cd8b45e35002513bb0, platform=EOS
2026-03-31T16:53:07 199.034 WRN DroneManager already loaded #0, id 172, [type=EntityDrone, name=entityJunkDrone, id=172], (13.0, 17.0, -33.9)
2026-03-31T16:53:07 199.046 INF Major P onNewBiomeEntered

After entering the editor with tp 0 0 0 the drone is shown on a fixed possition but wont move or be triggered for a dialog.
 
Last edited:
Major P said:
Sorry for that, I havent set a password and now I cant unlock it with a blank password. I think its all about the drone. The exeption part is:

Error.log
2026-03-31T16:53:05 196.948 INF StartGame done
2026-03-31T16:53:05 196.953 INF [EOS] Server registered, session: b7d099e3c30447cd8b45e35002513bb0, 56 attributes
2026-03-31T16:53:05 196.957 INF [EOS] Session address: 3*.1*.2*.11*
2026-03-31T16:53:06 197.893 INF Dymesh: Warming dynamic mesh
2026-03-31T16:53:06 197.893 INF Dymesh: Creating dynamic mesh manager
2026-03-31T16:53:06 197.897 INF Dymesh: Awake
2026-03-31T16:53:06 197.898 INF Dynamic Mesh will not run in this game mode
2026-03-31T16:53:06 197.900 INF Dymesh door replacement: imposterBlock
2026-03-31T16:53:06 197.953 INF Respawn almost done
2026-03-31T16:53:06 198.602 INF 43958 Drone PostInit [type=EntityDrone, name=entityJunkDrone, id=172], (13.02, 17.03, -33.88) (chunk 0, -3), rbPos (13.02, 17.03, -33.88)
2026-03-31T16:53:06 198.603 INF Refresh Drone Position Waypoint 172 False
IndexOutOfRangeException: Index was outside the bounds of the array.
at EntityDrone.LoadMods () [0x003e5] in <673cee7f1b1143818476bdf642f7434b>:0
at EntityDrone.OnAddedToWorld () [0x00021] in <673cee7f1b1143818476bdf642f7434b>:0
at World.SpawnEntityInWorld (Entity _entity) [0x00119] in <673cee7f1b1143818476bdf642f7434b>:0
at DroneManager.CreateDroneEntity (EntityCreationData data, World world) [0x00020] in <673cee7f1b1143818476bdf642f7434b>:0
at DroneManager.SpawnFollowingDronesForPLayer (System.Int32 entityId, World world) [0x00053] in <673cee7f1b1143818476bdf642f7434b>:0
at GameManager.PlayerSpawnedInWorld (ClientInfo _cInfo, RespawnType _respawnReason, Vector3i _pos, System.Int32 _entityId) [0x000b2] in <673cee7f1b1143818476bdf642f7434b>:0
at PlayerMoveController.updateRespawn () [0x00971] in <673cee7f1b1143818476bdf642f7434b>:0
at PlayerMoveController.Update () [0x0016a] in <673cee7f1b1143818476bdf642f7434b>:0

2026-03-31T16:53:07 198.954 INF [Steamworks.NET] GameServer.LogOn successful, SteamID=90283723414450183, public IP=3*.1*.2*.11*
2026-03-31T16:53:07 198.963 INF [Steamworks.NET] Trying to create Lobby (visibility: k_ELobbyTypeFriendsOnly)
2026-03-31T16:53:07 198.964 INF [Discord] Global lobby: 31.19.29.118_A59FCFEC7353BF4088315C9D34ACA6DD
2026-03-31T16:53:07 198.964 INF [Discord] CreateOrJoinLobby: 31.19.29.118_A59FCFEC7353BF4088315C9D34ACA6DD, session=b7d099e3c30447cd8b45e35002513bb0, platform=EOS
2026-03-31T16:53:07 199.034 WRN DroneManager already loaded #0, id 172, [type=EntityDrone, name=entityJunkDrone, id=172], (13.0, 17.0, -33.9)
2026-03-31T16:53:07 199.046 INF Major P onNewBiomeEntered

After entering the editor with tp 0 0 0 the drone is shown on a fixed possition but wont move or be triggered for a dialog.
Click to expand...
Try going to ...AppData\Roaming\7DaysToDie\Saves\Empty and deleting the PrefabEditor folder. Then launch the game and try to open the editor.
 
Major P,

We never meant for an active drone or zombie to be in the prefab editor, so this was a bit unexpected. We did find a bug related to movement, and a ticket was created for that to stop it from happening, so I thank you for the report.

The fix will most likely be in the next major patch (V3).

Thanks,
Dollie
 
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