update

Author: kasperk81

src/Cli/dotnet/commands/dotnet-sln/remove/Program.cs

@@ -93,10 +93,9 @@ private async Task RemoveProjectsAsync(string solutionFileFullPath, IEnumerable<
                 }
             }
 
-            // make a copy for safe modification during iteration
-            SolutionFolderModel[] folders = [..solution.SolutionFolders];
-            foreach (var folder in folders)
+            for (int i = 0; i < solution.SolutionFolders.Count; i++)
             {
+                var folder = solution.SolutionFolders[i];
                 int nonFolderDescendants = 0;
                 Stack<SolutionFolderModel> stack = new();
                 stack.Push(folder);
@@ -125,6 +124,8 @@ private async Task RemoveProjectsAsync(string solutionFileFullPath, IEnumerable<
                 if (nonFolderDescendants == 0)
                 {
                     solution.RemoveFolder(folder);
+                    // After removal, adjust index and continue to avoid skipping folders after removal
+                    i--; 
                 }
             }