Polyfill
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Backpack Multiplayer Fix

by ShadyVoid

Find this modReport a problemNotify me

Your game version

0.4.6f13newest
Works so far

1 of 12 sessions hit an error.

2 reports on 0.4.6f13, newest 29 days ago.

I want this fixed

Use these versions

  1. Polyfill 0.12.3

    Newest reported, 0 reports so far. Get Polyfill

  2. Mod 1.3.25

    2 of 2 reports.

At game start

Parts missing

2 of 2 reports.

Ingame

Mostly clean

11 of 12 sessions.

Reports
2
Sessions
12
Hours played
9
Last report
29 days ago

Good to know

  • Only a few reports so far.

Player reports

No reports on this game version yet.

1 · Your log

Drop Latest.log hereMelonLoader/Latest.log

The log stays on your PC.

0 / 500 · public on this page, links removedSend report

History

Changes only.
  1. 01 Sep 2026

    First report Mod 1.3.25, game 0.4.6f13.

    Parts missing

By Polyfill version

Which verdict each release of Polyfill gave this mod, on each game version and mod version it was reported with.
Game0.11.90.12.10.12.20.12.3
0.4.6f13Parts missingParts missingParts missingParts missing

A dot means nobody reported that build under that release. Two marks in one cell mean reports disagreed.

CSV
All 4 rows
GameModPolyfillStateReportsFirst reported
0.4.6f131.3.250.12.3Parts missing015 Sep 2026
0.4.6f131.3.250.12.2Parts missing008 Sep 2026
0.4.6f131.3.250.12.1Parts missing107 Sep 2026
0.4.6f131.3.250.11.9Parts missing101 Sep 2026

For mod authors

Technical details. Players can skip this.

To get to "Works"

Works so far

  • Open: 4 names missing

    Fix them in a mod update. Show them

  • Done: Mostly clean ingame

    11 of 12 sessions.

4missing14bridged0interface clones1errors0old versions only
Showmod 1.3.25 (newest)game 0.4.6f13API

Missing 4

  • no candidatepatch targetwas bridged

    Il2CppScheduleOne.UI.StorageMenu::Open

    Nothing on this build to point it at.

    the signature this patch names is gone; Polyfill puts it back and moves the patch onto the method the game calls (`polyfillfixes` lists it as patches-on-grown-overloads)

    84 reports

  • no candidatepatch target

    Il2CppScheduleOne.UI.Stations.ChemistryStationCanvas::BeginButtonPressed

    Nothing on this build to point it at.

    the type is put back as ChemistryStationInterface, which has no BeginButtonPressed to patch

    14 reports

  • no candidatepatch target

    Il2CppScheduleOne.UI.Stations.ChemistryStationCanvas::Close

    Nothing on this build to point it at.

    the type is put back as ChemistryStationInterface, which has no Close to patch

    14 reports

  • no candidatepatch target

    Il2CppScheduleOne.UI.Stations.MixingStationCanvas::Close

    Nothing on this build to point it at.

    the type is put back as MixingStationInterface, which has no Close to patch

    14 reports

Bridged 14

  • bridgedmember

    Il2CppScheduleOne.Networking.Lobby::get_LobbySteamID()

    Polyfill pointed this at its successor when the game started.

    out-of-rangeAbsent at 0.4.5f2 as well; Lobby has had get_LobbyID() returning UInt64 in both builds. The names also differ in type, so pointing one at the other would change what callers get.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.Networking.Lobby::get_LocalPlayerID()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.Networking.Lobby::get_Players()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.PlayerScripts.Player::GetPlayer(String)

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedtype

    Il2CppScheduleOne.UI.Stations.ChemistryStationCanvas

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.Stations.ChemistryStationInterface::get_Canvas()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.Stations.ChemistryStationInterface::get_Container()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedtype

    Il2CppScheduleOne.UI.Stations.MixingStationCanvas

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.Stations.MixingStationInterface::get_Canvas()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.Stations.MixingStationInterface::get_Container()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.Stations.PackagingStationCanvas::get_Canvas()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.Stations.PackagingStationCanvas::get_Container()

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedpatch target

    Il2CppScheduleOne.UI.Stations.PackagingStationCanvas::SetIsOpen

    Polyfill pointed this at its successor when the game started.

    14 reports

  • bridgedmember

    Il2CppScheduleOne.UI.StorageMenu::get_CloseButton()

    Polyfill pointed this at its successor when the game started.

    14 reports

Errors 1

Error messages are not collected.

  • NullReferenceException1 session 3 times

    System.Collections.Generic.List`1[T].Exists

    Game0.4.6f13Mod1.3.25Last seen15 Sep 2026

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[![Polyfill](https://polyfill.doomods.com/badge/backpack-multiplayer-fix.svg)](https://polyfill.doomods.com/mod/backpack-multiplayer-fix)

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API

GET https://polyfill.doomods.com/api/board/backpack-multiplayer-fix
API docs

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