Error - 'Project Code xxx is invalid' when submitting timesheet that has no lines with this project code

This is usually caused by a ghost line on the timesheet, which can be seen in the data but not through the FinOps website. It usually happens when a line is deleted but the process does not complete properly and causes corruption.
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To resolve this issue - our support team will need to investigate, run scripts or liaise with the hosting or development teams. Any Issues with contacting us, please see the following Get support in Financial Operations.