When we import an MPP the Total Slack doesn’t come in properly from what we see in Projects. Most of the time it involves negative values coming in as zero, but sometime coming in as other negative values.
Id, Description, Project Value, task.Get(Tsk.TotalSlack)
19, EPC design, -94.5 days, 0
25, Interfaces, -342.63 days, 0
27, Topside, -376.25 days, -1806000
34, Outsourced PMO, -15.75 days, 0
Simple .mpp attached, along with a couple images