Part 5/12:
Interdisciplinary Collaboration: Incorporating inputs from business analysts, data modelers, source system experts, and domain specialists, each communicating in different "languages."
Dependence on Skilled Experts: Heavy reliance on domain experts and specialized data modelers—talents that are scarce and expensive.
Manual and Error-Prone Processes: Requirement gathering often involves manual exchanges—emails, meetings, tribal knowledge—that slow down progress and introduce errors.
These challenges lead to delays, increased costs, and sometimes compromised data models that cannot fully meet business needs.