VKORG, VTWEG, SPART cannot be determined for customer &, supplier &

What causes this issue?

No sales organization, distribution channel or division were sent to
the IDOC. This data is necessary if a sales order is to be added
automatically. If this data is unavailable, you cannot create a sales
order document.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If data on the sales organization, distribution channel and division
have not been entered in the IDOC, it must be determined using a user
exit defined in the program.

Error message extract from SAP system. Copyright SAP SE.