I've also tried creating new bots with all the default settings and I get the same. Looks to be an issue with Xcode server?
simonmcl_camlcase
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Asked the same question here: https://stackoverflow.com/questions/59965783/xcode-server-error-for-key-destination-expected-upload-found-exportSomeone else facing the same issue got around it by telling the bot not to export and then writing the export command in the post integration script, before the upload. All working now
Resetting the simulator using "Erase all settings and data", and resonating the app, seems to temporarily solve the issue