When I try to enable room preview (press RMB), it gives the following error:

FutileException: Couldn't find font named 'font'
FAtlasManager.GetFontWithName (System.String fontName) (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
FLabel..ctor (System.String fontName, System.String text, FTextParams textParams) (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
FLabel..ctor (System.String fontName, System.String text) (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
RoomPreview..ctor (ProcessManager manager, WarpModMenu+WarpContainer owner, System.String roomName, System.String regionName, Menu.PauseMenu pauseMenu) (at C:/Users/Lee/source/repos/Warp/RoomPreview.cs:146)
WarpModMenu+WarpContainer.Update () (at C:/Users/Lee/source/repos/Warp/WarpMenu.cs:920)
Menu.MenuObject.Update () (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
Menu.PositionedMenuObject.Update () (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
Menu.Menu.Update () (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
(wrapper dynamic-method) Menu.PauseMenu.DMD<Menu.PauseMenu::Update>(Menu.PauseMenu)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<Menu.PauseMenu::Update>?2030113792(Menu.PauseMenu)
WarpModMenu.PauseMenu_Update (On.Menu.PauseMenu+orig_Update orig, Menu.PauseMenu self) (at C:/Users/Lee/source/repos/Warp/WarpMenu.cs:123)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<Menu.PauseMenu::Update>?1748448256(Menu.PauseMenu)
(wrapper dynamic-method) RainWorldGame.DMD<RainWorldGame::Update>(RainWorldGame)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorldGame::Update>?-1104962560(RainWorldGame)
MouseDrag.Hooks.RainWorldGameUpdateHook (On.RainWorldGame+orig_Update orig, RainWorldGame self) (at <5f8e72e2a31f45a58779803a5f45fee7>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorldGame::Update>?23269888(RainWorldGame)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorldGame::Update>?35621376(RainWorldGame)
WhereSlugpupMod.WhereSlugpupMain.RainWorldGame_Update (On.RainWorldGame+orig_Update orig, RainWorldGame self) (at <7e8e5a4cb51b4274a2ff1527b5905205>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorldGame::Update>?-1535409152(RainWorldGame)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorldGame::Update>?1013549568(RainWorldGame)
RotundWorld.patch_Player.RainWorldGame_Update (On.RainWorldGame+orig_Update orig, RainWorldGame self) (at /RainWorldMods/WillowsMods/patch_Player.cs:681)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorldGame::Update>?963340288(RainWorldGame)
MainLoopProcess.RawUpdate (System.Single dt) (at <fc2571f3f02d45cc86182a1c3f02a34c>:0)
(wrapper dynamic-method) RainWorldGame.DMD<RainWorldGame::RawUpdate>(RainWorldGame,single)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorldGame::RawUpdate>?-1747289600(RainWorldGame,single)
MouseDrag.Hooks.RainWorldGameRawUpdateHook (On.RainWorldGame+orig_RawUpdate orig, RainWorldGame self, System.Single dt) (at <5f8e72e2a31f45a58779803a5f45fee7>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorldGame::RawUpdate>?1839139840(RainWorldGame,single)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorldGame::RawUpdate>?1622694912(RainWorldGame,single)
Pom.Pom.RainWorldGameRawUpdate (On.RainWorldGame+orig_RawUpdate orig, RainWorldGame self, System.Single dt) (at E:/RainWorldModding/Pom/Pom/Pom.InputHooks.cs:41)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorldGame::RawUpdate>?1776649728(RainWorldGame,single)
(wrapper dynamic-method) ProcessManager.DMD<ProcessManager::Update>(ProcessManager,single)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<ProcessManager::Update>?380603392(ProcessManager,single)
RegionKit.Modules.AnimatedDecals.VideoManager.ProcessManager_Update (On.ProcessManager+orig_Update orig, ProcessManager self, System.Single deltaTime) (at <7c4626075ac84df59216d984e0e99070>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<ProcessManager::Update>?-1045220352(ProcessManager,single)
(wrapper dynamic-method) RainWorld.DMD<RainWorld::Update>(RainWorld)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorld::Update>?-1755481088(RainWorld)
ImprovedInput.Plugin.RainWorld_Update (On.RainWorld+orig_Update orig, RainWorld self) (at <b1532b580d2f4aa5a77966738074cad8>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorld::Update>?1685741568(RainWorld)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Trampoline<RainWorld::Update>?-1960804864(RainWorld)
Revivify.Plugin.ErrorCatch (On.RainWorld+orig_Update orig, RainWorld self) (at <84d6e4b45b0846db885a4a7bbcdd965b>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Hook<RainWorld::Update>?2041914880(RainWorld)