I have a fairly extensive project where a lot of tasks are showing negative slack - up to 300 days!


Some are constrained, but i've interrogated it fairly extensively and I can't find the root cause. There are even tasks without successors that are showing as critical.



Is there an easy way to trouble shoot this? Really all I want it to be able to show my critical path through to project finish, but these constrained tasks distort that by making tasks that affect the finish date of a constrained task critical, as opposed to those that affect the finish date.



Project file can be found here WeTransfer - Send Large Files & Share Photos Online - Up to 2GB Free

Thanks in advance