Raised (or returned) when an Ecto-backed export stops making progress.
An export that fails with this error is incomplete: BeamExport aborts the database cursor and never reports a partial export as a successful one.
Fields:
:reason-:consumer_timeoutwhen the stream consumer did not ask for the next batch within:consumer_timeoutmilliseconds, or:batch_timeoutwhen the database did not deliver the next batch within:batch_timeoutmilliseconds.:timeout- the timeout that elapsed, in milliseconds.