If you receive the following error message, below are the possible causes.
Procedure: PendingInvoiceCreateRecordsForClient.
Number: 5.
Description: Procedure call or argument is not valid.
Possible cause:
This error message was found to be caused by a client that had a purchase order where the start time and end time were different, but the unit duration was 0.
This has been found to happen when trying to create pending invoices when a client within the period has a purchase order with the same start and end date. It has also been found to be caused when there is no Cost or Charge Per Unit on the purchase order.
If you experience this error message, please check the purchase orders linked to the clients within your invoice period. If you need assistance with this, please raise a new case online and reference the title of this article.