Follow below steps to create SI / PI.
Sales Invoice
1, Search "Sales Invoice" and click "New" in the list to create a new Sales Invoice
2, Select Customer No. / Name & choose "G/L Account" in the line
Select the related G/L account used. (User need to map the posting group information in the Account Card before posting)
3, Click "Post" to post the document
Purchase Invoice
1, Search "Purchase Invoice" and click "New" in the list to create a new Purchase Invoice (same as SI)
2, After selecting the vendor, system will prompt the below message:
Click "No" & let the system update the PI dimension and dept dimension to the Purchase Invocie.
*If users clicked "Yes", INVOICENO & DEPT will not be created for this purchase invoice.
3, Click "Post" to post the document