I've been having this problem off and on the last few days. Happens on the save file and the auto saves alike. Not sure what is causing this. Error screen below.
The game failed to load as the save file is corrupted. If this issue persists, please file a bug report.
Mafi.Serialization.CorruptedSaveException: Failed to finalize deserialization of 'Transport #2 (destroyed)' (type 'Transport')
parent object '--' (type '--')
Previous deserialized in this finalize call: 'Zipper #106144' (type 'Zipper')
Last deserialized across all finalize calls: 'Zipper #106144' (type 'Zipper')
Last read object types: [Boolean[], Queueue1, LystMutableDuringIter1] ---> Mafi.Serialization.CorruptedSaveException: Deserialized object has type 'LystMutableDuringIter1' but type 'Lyst1' was expected. ToString returned 'Mafi.Collections.LystMutableDuringIter1[Mafi.Core.Entities.IEntityObserver]'. classId: 270891, readObjects.Count: 270892 at Mafi.Serialization.BlobReader.TryStartClassDeserialization[T] (T& obj, System.Func3[T1,T2,TResult] customNewObjFactory, System.Func3[T1,T2,TResult] customNewObjFactoryOnTypeLoadFail, System.Boolean nullObjIsOk) [0x00297] at Mafi.Collections.Lyst1[T].Deserialize (Mafi.Serialization.BlobReader reader) [0x00000]
at (wrapper dynamic-method) System.Object.lambda_method(System.Runtime.CompilerServices.Closure,Mafi.Serialization.BlobReader)
at Mafi.Serialization.BlobReader.ReadGenericAs[T] () [0x00032]
at Mafi.Option`1[T].Deserialize (Mafi.Serialization.BlobReader reader) [0x00011]
at Mafi.Core.Factory.Transports.Transport.DeserializeData (Mafi.Serialization.BlobReader reader) [0x00061]
at Mafi.Core.Factory.Transports.Transport+<>c.<.cctor>b__219_1 (System.Object obj, Mafi.Serialization.BlobReader reader) [0x00000]
at Mafi.Serialization.BlobReader+<FinalizeLoadingTimeSliced>d__37.MoveNext () [0x00054]
--- End of inner exception stack trace ---
at Mafi.Serialization.BlobReader+<FinalizeLoadingTimeSliced>d__37.MoveNext () [0x00202]
at Mafi.Core.SaveGame.GameLoader+<FinishGameLoadAndDisposeTimeSliced>d__12.MoveNext () [0x004ef]
at Mafi.Core.Game.GameBuilder+<BuildLoadedGameTimeSliced>d__1.MoveNext () [0x005a4]
at Mafi.Unity.GamePlayScene+<loadGame>d__28.MoveNext () [0x002ca]
at Mafi.Unity.GamePlayScene+<Initialize>d__25.MoveNext () [0x000ad]
at Mafi.Unity.Main+<unloadAndStartNewScene>d__117.MoveNext () [0x0013b]
at Mafi.Unity.Main.stepSceneInitialization () [0x00104]
Game version: 0.8.7a
Loaded mods: (Trains expansion 1.0.0), (Supporter edition 1.1.0), (Kayser's Automatic Forestry Designations 0.4.1), (Kayser's Automatic Terrain Designations 0.7.0), (Bagger 288 0.7.3), (BetterLife: Assemblies 1.1.0), (BetterLife: Buildings 1.0.1), (BeTTerLife: Roads and Signs 1.0.15), (Union Pacific Big Boy 1.0.5), (Custom Assets Loader 0.4.2), (Extra Transports 0.0.1), (Gameplay++ 1.3.7), (Recipes++ 1.2.7), (Geology & Reservoir Engineering 1.0.4), (WorldGen++ 1.2.1), (Fusion Horizon 0.2.2), (Grid Battery 1.0.7), (Industrial Expansion 1.0.5), (Modular Ramp 3.0.0), (Multi-Priority Balancers 0.2.1), (Research Queue 1.0.1), (Underground Transport 5.3.1), (Wind turbines 0.1.11a), (Storage++ 1.3.0), (Utilities++ 1.2.5)
Failed mods: none