This error appears when Maxcare has already been run for the selected date range. The criteria for the journal entry that has been run will also be displayed.
Check the exact date range shown in the error message.
If Maxcare has already been run for those dates, this is the cause of the error — no further action is required.
If there is no journal entry matching the date range shown in the error, raise a new case online and reference the title of this article. Include a screenshot of the Maxcare optimisation already in progress error.