anvil.server.SerializationError: Illegal value in a anvil.server.task_state. Cannot use BlobMedia objects in task state

[grippe]

Hit the submit button too soon. This solved it:

Returning List of Media Objects From Background Task

What I’m trying to do: I am trying to run a background task which processes data table rows and generates pdf invoices to be downloaded later. However my list of media objects are not being serialised properly. What I’ve tried and what’s not working: The task is completing ,but I am receiving a serialization error when attempting to retrieve the return object of the task ( which should be a list of media objects). Return Object This is a print statement of the return object in the backgroun…