Please find in attached file your Daily report for foo."
This message is used for weekly reports, which is confusing to recipients. Please change the wording either to not reflect the interval of reports at all, or to reflect the correct sending interval that has been configured for that report (e.g. weekly).
Can you confirm the issue only occurs when you "Send now" rather than when the scheduled reports are automatically sent?
Cannot reproduce, please post exact steps to reproduce as it works for me