Logs:
[18:48:28.220] [.NET ThreadPool Worker/ERROR] [tML]: The mod browser encountered an error.

Could not find a part of the path 'C:\Program Files (x86)\Steam\steamapps\workshop\content\1281930\2811905172'.
at System.IO.Enumeration.FileSystemEnumerator`1.CreateDirectoryHandle(String path, Boolean ignoreNotFound)
at System.IO.Enumeration.FileSystemEnumerator`1.Init()
at System.IO.Enumeration.FileSystemEnumerableFactory.UserFiles(String directory, String expression, EnumerationOptions options)
at System.IO.Directory.InternalEnumeratePaths(String path, String searchPattern, SearchTarget searchTarget, EnumerationOptions options)
at Terraria.ModLoader.Core.ModOrganizer.AnalyzeWorkshopTmods(String repo) in tModLoader\Terraria\ModLoader\Core\ModOrganizer.cs:line 654
at Terraria.ModLoader.Core.ModOrganizer.GetActiveTmodInRepo(String repo) in tModLoader\Terraria\ModLoader\Core\ModOrganizer.cs:line 559
at Terraria.Social.Steam.WorkshopBrowserModule.EnsureInstallationComplete(ModDownloadItem item) in tModLoader\Terraria\Social\Steam\WorkshopBrowserModule.cs:line 132
at Terraria.Social.Steam.WorkshopBrowserModule.DownloadItem(ModDownloadItem item, IDownloadProgress uiProgress) in tModLoader\Terraria\Social\Steam\WorkshopBrowserModule.cs:line 105
at Terraria.ModLoader.UI.ModBrowser.UIModBrowser.DownloadMods(IEnumerable`1 mods, Int32 previousMenuId, Action setReloadRequred, Action`1 onNewModInstalled) in tModLoader\Terraria\ModLoader\UI\ModBrowser\UIModBrowser.cs:line 414
[18:48:28.478] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2998523660 on the Steam Workshop
[18:48:28.478] [.NET ThreadPool Worker/WARN] [tML]: Unable to fetch mod PublishId#2844520919 information. k_EResultAccessDenied
[18:48:28.478] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2844520919 on the Steam Workshop
[18:48:28.478] [.NET ThreadPool Worker/WARN] [tML]: Unable to fetch mod PublishId#2960745231 information. k_EResultAccessDenied
[18:48:28.479] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2960745231 on the Steam Workshop
[18:48:28.479] [.NET ThreadPool Worker/WARN] [tML]: Unable to fetch mod PublishId#2791231906 information. k_EResultAccessDenied
[18:48:28.479] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2791231906 on the Steam Workshop
[18:48:28.618] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2852228885 on the Steam Workshop
[18:48:28.947] [.NET ThreadPool Worker/WARN] [tML]: Unable to fetch mod PublishId#2808218508 information. k_EResultAccessDenied
[18:48:28.948] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2808218508 on the Steam Workshop
[18:48:29.073] [.NET ThreadPool Worker/WARN] [tML]: Unable to find Mod with ID 2765534421 on the Steam Workshop
[18:48:36.568] [Main Thread/DEBUG] [tML]: Process.Start (UseShellExecute = True): "tModLoader-Logs"