roUrlTransfer error -65 "seek callback returned error 1"

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1

Every once in a while I get the following response code from a call to roUrlTransfer.AsyncGetToString () when trying to send a request to a PHP script on my server: -65. The failure reason listed is “seek callback returned error 1”. When I repeat the same request it always seems to work the next time.

Any idea why this might happen?

2

I don’t think it helps much, but the roUrlTransfer documentation states: -65 CURLE_SEND_FAIL_REWIND, Sending the data requires a rewind that failed
That sounds like it could be a server error.