When you try Sales Packing Slip from the Sales & Marketing->Inquiries-> Journals ->Packing Slip option. The system will prompt the below error messages "Report must be called with a journal".
It usually happen in demo database. Because of lacking data from table CustPackingSlipVersion.
When you post a packing slip, the versions of packing slip are saved in this table.
Try to find a full demo data Or you create new SO and post Packing Slip. It'll be ok.
