ADArunkumar Devendiran Syncfusion Team January 29, 2020 11:53 AM
Sorry for the inconvenience caused.
We have checked your reported issue and we are able to reproduce it in our end. We have logged this as a defect “Setting id as number on sub menu item throwing error”in our end. We will include the fix for this issue in our upcoming patch release (Feb 5, 2020) and appreciate your patience until then. Please follow the below feedback link,