Hello, I also have this problem. Here are my logs from attempting to continue the campaign as well. (DL and run through EPIC launcher)
Unity Version: 5.6.3p1
Unity Platform: WindowsPlayer
DeviceName: LAPTOP-xxxxxxxx
DeviceType: Desktop
ProcessorType: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
OperatingSystem: Windows 10 (10.0.0) 64bit
ProcessorCount: 8
SystemMemorySize: 16324MB
GraphicsDeviceName: NVIDIA GeForce GTX 1070
GraphicsDeviceVendor: NVIDIA
GraphicsDeviceVersion: Direct3D 11.0 [level 11.1]
GraphicsMemorySize: 3072MB
GraphicsShaderLevel: 50
SupportsShadows: True
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00:01 - [App] Offworld Version: 1.23.35836
00:01 - [App] AppMain::Start #0
00:01 - [OptionsSave] Loading: C:/Users/jklat/Documents/My Games/Offworld/GraphicsOptionsSave.xml and C:/Users/jklat/Documents/My Games/Offworld/EpicCloud/GameOptionsSave.xml
00:01 - [OptionsSave] Saving: C:/Users/jklat/Documents/My Games/Offworld/GraphicsOptionsSave.xml and C:/Users/jklat/Documents/My Games/Offworld/EpicCloud/GameOptionsSave.xml
00:01 - [ModPath] Deleting old reference folder
00:01 - [ModPath] Copying default XML to C:/Users/jklat/Documents/My Games/Offworld/Mods/Hidden/Reference/
00:01 - [ModPath] Copying D:\Justin\GameStuff\Epic Games\OffworldTradingCompany\Offworld_Data\Managed\Assembly-CSharp-firstpass.dll to C:/Users/jklat/Documents/My Games/Offworld/Mods/Hidden/Reference/Assembly-CSharp-firstpass.dll
00:01 - [ModPath] Copying D:\Justin\GameStuff\Epic Games\OffworldTradingCompany\Offworld_Data\Managed\UnityEngine.dll to C:/Users/jklat/Documents/My Games/Offworld/Mods/Hidden/Reference/UnityEngine.dll
00:05 - [OptionsSave] Saving: C:/Users/jklat/Documents/My Games/Offworld/GraphicsOptionsSave.xml and C:/Users/jklat/Documents/My Games/Offworld/EpicCloud/GameOptionsSave.xml
00:06 - [Rendering] Resolution changed, Previous: 1920x1080 (Fullscreen), Target: 1920x1080 (Fullscreen), Actual: 1920x1080 (Fullscreen), Monitor: 0->0
00:06 - [Epic] Logging in with exchange code: e985d84de80b4cb294d5251c574b3d20
00:06 - [Tachyon] Initializing Tachyon with version number:1.23.35836
00:07 - [Tachyon] Requesting Seasons List
00:10 - [Remote Settings] Updated remote settings
00:10 - [LogglyManager] ENABLED
00:10 - [LogglyManager] Activate on error is OFF
00:10 - [LogglyManager] Send full log if error is OFF
00:12 - [Tachyon] Requesting cached Tachyon Authentication.
00:12 - [Tachyon] Requesting Tachyon Authentication.
00:12 - [Tachyon] Authentication success.
00:12 - [Tachyon] Requesting agents available
00:12 - [Tachyon] Standalone servers available
00:13 - [App] SwitchScreens(Start)
00:13 - [OptionsSave] Saving: C:/Users/jklat/Documents/My Games/Offworld/GraphicsOptionsSave.xml and C:/Users/jklat/Documents/My Games/Offworld/EpicCloud/GameOptionsSave.xml
00:14 - [Epic] Failed to get player presence info for Epic.OnlineServices.EpicAccountId: NotFound
00:15 - [App] SwitchScreens(SinglePlayer)
00:19 - [App] SwitchScreens(Campaign)
00:28 - [App] SwitchScreens(SinglePlayer)
00:40 - [App] SwitchScreens(Start)
00:41 - [App] AppMain::OnDestroy #0
00:41 - [OptionsSave] Saving: C:/Users/jklat/Documents/My Games/Offworld/GraphicsOptionsSave.xml and C:/Users/jklat/Documents/My Games/Offworld/EpicCloud/GameOptionsSave.xml
00:41 - [Epic] Shutting down platform interface