diff --git a/src/SMAPI/Framework/ModLoading/ModResolver.cs b/src/SMAPI/Framework/ModLoading/ModResolver.cs
index cb62e16f..37aceb1b 100644
--- a/src/SMAPI/Framework/ModLoading/ModResolver.cs
+++ b/src/SMAPI/Framework/ModLoading/ModResolver.cs
@@ -180,7 +180,10 @@ namespace StardewModdingAPI.Framework.ModLoading
             return mods
                 .OrderBy(mod =>
                 {
-                    string id = mod.Manifest.UniqueID;
+                    string? id = mod.Manifest?.UniqueID;
+
+                    if (id is null)
+                        return 0;
 
                     if (modIdsToLoadEarly.TryGetValue(id, out string? actualId))
                         return -int.MaxValue + Array.IndexOf(earlyArray, actualId);
diff --git a/src/SMAPI/Framework/SCore.cs b/src/SMAPI/Framework/SCore.cs
index 1d146d5f..37ca1556 100644
--- a/src/SMAPI/Framework/SCore.cs
+++ b/src/SMAPI/Framework/SCore.cs
@@ -433,7 +433,7 @@ namespace StardewModdingAPI.Framework
                 // apply load order customizations
                 if (this.Settings.ModsToLoadEarly.Any() || this.Settings.ModsToLoadLate.Any())
                 {
-                    HashSet<string> installedIds = new HashSet<string>(mods.Select(p => p.Manifest.UniqueID), StringComparer.OrdinalIgnoreCase);
+                    HashSet<string> installedIds = new HashSet<string>(mods.Where(p => p.FailReason is null).Select(p => p.Manifest.UniqueID), StringComparer.OrdinalIgnoreCase);
 
                     string[] missingEarlyMods = this.Settings.ModsToLoadEarly.Where(id => !installedIds.Contains(id)).OrderBy(p => p, StringComparer.OrdinalIgnoreCase).ToArray();
                     string[] missingLateMods = this.Settings.ModsToLoadLate.Where(id => !installedIds.Contains(id)).OrderBy(p => p, StringComparer.OrdinalIgnoreCase).ToArray();