Quartus Prime Pro internal / unexpected error during fitter floorplan

I could not find this internal error in our database. Could you help to share your design .qar file (Project> Achieve Project) that could duplicate this error?

We will need to duplicate the error as without the error duplication from our side, it would be hard to find a workaround/solution.

This will requires the engineering team to investigate on this and please keep in mind that any work involving our engineering team may take some time, ranging from a few days to a few weeks, depending on the complexity of the issue.

Thank you for your understanding.

Best Regards,

Richard Tan