Answer : Task Title
Explanation:
In Odoo 18, the Task Title is a mandatory field when creating a new task in the Projects module.
1. The Task Title is essential because it serves as the primary identifier of the task.
2. Without a title, the system cannot save the task.
3. It appears in Kanban, List, and Form views, making it necessary for tracking work.
4. Odoo will show a validation error and prevent the task from being saved.
5. The user must enter a title before proceeding.