Hi

We got this weird upload issue in the Media section in backoffice. Both running local on Visual Studio and on the live server.

If we restart the site, we can upload a single small file, and then is fails after that.

Here is the log, any suggestions/help would be much appreciated.

{"@t":"2020-05-20T13:58:59.5078824Z","@mt":"Could not acquire actionExecutedContext.Response.Content","@l":"Error","@x":"System.NullReferenceException: Object reference not set to an instance of an object.\r\n at Umbraco.Web.WebApi.Filters.FileUploadCleanupFilterAttribute.OnActionExecuted(HttpActionExecutedContext actionExecutedContext) in D:\a\1\s\src\Umbraco.Web\WebApi\Filters\FileUploadCleanupFilterAttribute.cs:line 81","SourceContext":"Umbraco.Web.WebApi.Filters.FileUploadCleanupFilterAttribute","ProcessId":20784,"ProcessName":"iisexpress","ThreadId":61,"AppDomainId":4,"AppDomainAppId":"LMW3SVC2ROOT","MachineName":"DESKTOP-Q19CI17","Log4NetLevel":"ERROR"} {"@t":"2020-05-20T13:58:59.5716783Z","@mt":"Unhandled controller exception occurred for request '{RequestUrl}'","@l":"Error","@x":"System.NullReferenceException: Object reference not set to an instance of an object.\r\n at Umbraco.Web.Editors.MediaController.GetParentIdAsInt(String parentId, Boolean validatePermissions) in D:\a\1\s\src\Umbraco.Web\Editors\MediaController.cs:line 830\r\n at Umbraco.Web.Editors.MediaController.