Conflicts between Employees and Managers can arise for various reasons, such as personality differences, differences in perception, differences in management style, differences in treatment, unrealistic expectations, communication problems, conflicts of interest, disagreements over tasks and responsibilities, etc.

Conflicts between a manager and an employee can have several negative consequences for the company, the manager, the employee, and the working environment:
It reduced motivation and job satisfaction for the employees concerned. This can adversely affect work quality and productivity.
Alter collaboration between manager and employee, which can lead to a drop in work quality.
Increased absenteeism, and turnover: when conflict arises, employees tend to be absent or look for another job, which can lead to additional costs for the company.
Degradation of the working environment leads to tension and mistrust between employees.
Situations that are difficult to manage are a waste of time and resources for the company, particularly in terms of time spent resolving conflicts, costs associated with training new employees or reassigning tasks, and reduced productivity.

Conflicts can lead to legal disputes between the company and the employee concerned, which can have significant financial consequences.