eToro API error code
eToro API error: UnhandledException
What does UnhandledException mean on the eToro API?
A global error. eToro's page says no more than that. eToro lists this among the error codes of an unsuccessful WebSocket Authenticate response.
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No fix in the source
The vendor's page gives no remedy.
That is all the source says, so this page does not invent a fix. General guidance: the other errors with no HTTP status recorded recorded for eToro, and the error lookup for the exact text of the reply you received.