Report states includes:
Not generated. The report has not been generated since the last scheduled usage data update. The report must be generated before it can be downloaded. Click generate csv report to generate the report. After each scheduled data update, the report status is changed to not generated.
Update in progress. The report is being generated. This message appears after you click the generate csv report link. Depending on the type of report being generated, and the amount of data to be retrieved, this operation might take some time. Refresh the page to update the status column.
Ready. The report has been generated and is ready for download. To download the report, click export CSV report.