As project progresses and more information becomes available, continuously review and refine estimates. Last minute changes. Disputes over what is included and how it should work. Problems arising during system installation and testing. Difficulty in acquiring needed staff, staff turnover, staff motivational issues, competitive internal projects.
Efforts are uncoordinated.
No one seems to have complete information. Figure it out as you go along. Solve immediate crises. Basic project management processes to track cost , schedule and functionality . Able to repeat past project successes with new similar projects.