"Reference must be unique per company!" error when confirming a Sales Order.

Question

Hello, when I click the confirmation button in the sales order, I get the following error. Can you help me?

*Reference must be unique per company!*

Balagopal R · Accepted Answer

In Settings--> Technical--> Sequence, check the SO and Delivery sequences. Probably the next number is already generated. Change the next number and try to confirm the SO.

Martin Brewer · Answer

Same problem for me. My sequence that needed adjusting was WH/MO/.
Number was 24, but had to move to 112! More than just one number adjustment!
If you have this problem I would suggest adjusting by more than 1 in an attempt to fix.

Paresh Wagh · Answer

Hi Yasin:
It looks like the system is trying to generate a sequence number that is already exists when it generates the Delivery Order for that Sales Order. Check the sequence number settings.

PCS · Answer

I had the same problem last week: FOr me it was the PICK-sequence that I have recently split into 2 picking types that was causing a non-unique reference, hence the SO (creating that reference when confirmed) couldnt confirm.

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