When there are no existing records fetched by the Crud manager, within Day/Week/Month views, clicking and dragging to create an event makes the Crud manager to send "assignments" instead of "events" when it POSTs data to the server (for the "sync" event).
See this image: https://www.dropbox.com/s/9trkkteicrxcxxh/Snipaste_2022-03-08_17-23-25.png?dl=0
Also this one: https://www.dropbox.com/s/bdm2xuq81anj32q/Snipaste_2022-03-08_17-24-33.png?dl=0
To replicate this use the Calendar and empty data.json file.
Let me know if I should create a zip with an example.
Is this the expected behaviour?