This error is typically caused by an issue with the client's contract configuration. Follow the steps below to check the client record and identify the cause.
Click the Clients screen.
Locate the client record and open it.
Click the Misc Details tab and ensure the client has a start date and that it is correct.
Click the Basic Details tab to check the client's contract. The contract will be displayed on the right.
Click the calendar icon next to the contract to display the contract history.
Review the contract history to confirm it is correct and whether it needs to be backdated.
If the contract history is incorrect, raise a new case online and reference the title of this article. Include all details of the changes required.