Just got this error when I tri to manually create a new order.
We have been able before to create new orders but suddenly this message shows up?
Thanks in Advance
What Version? From what page do you try to create a new Sales Order?
What serial number did you setup for sales orders?
Thanks for quick respons...
For Now I used it has a client and the sales order page and clicked on create new order.
This is now Solved.
It was a update to the sales header that caused this so quite simple.