Sales Transactions > Project (Job) is a transaction line item column + in the Main Line : not included in the dropdown list of the Customer field (Adv. Project=False) or missing as a field (Adv. Project = True)

This is the expected system behaviour if Consolidate Projects on Sales Transactions preference is enabled.

To verify this information, user can perform the following steps:

1. Navigate to Setup > Accounting > Accounting Preferences (Administrator).

2. Under Items/Transactions tab, navigate to Sales & Pricing section.

3. Verify if Consolidate Projects on Sales Transactions box is marked.