ECO Auto Numbering is a setup done in Oracle Engineering Module that controls numbering for each employee/user. ECO numbering can be setup differently in each inventory organizations.

Navigation: Engineering -> Setups -> Auto Numbering

1) User Name: Select user login

2) Organization Code: Select Inventory organization

3) Prefix: ECO number prefix

4) Next Number: ECO Number for the next ECO when this user creates.

Save the changes.

ECO Auto Numbering