pnpcore: Adding multiple ListItem problem

Category

• Bug

Describe the bug

I have a foreach cycle to define and upload multiple ListItem in a SharePoint List. The items are created inside some subfolders. (but I also tried in the root of the library) The first Item is correctly created, all the next items are not created and no error or exception is rised.

Steps to reproduce

IList list = await ctx.Web.Lists.GetByIdAsync(new Guid(config.Value.ListIdSessioniFormative));

foreach (var session in edition.sessions)
{
          Dictionary<string, object> data = new Dictionary<string, object>()
          {
              { "Title", edition.editionCode },
              // various metadata
          };
          IListItem item = list.Items.Add(data, $"{folderCompany}/{folderYear}");
}

Expected behavior

A number of item equal to the foreach round should be created.

Environment details (development & target environment)

• SDK version: [1.2.0 ]
• OS: [Windows 10]
• SDK used in: [ASP.Net Web app]
• Framework: [.NET Core v3.1 ]
• Browser(s): [Chrome v90]
• Tooling: [Visual Studio 2019]
• Additional details:

Additional context

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