To change an employee's line manager, follow the steps below:
To find the post required, click Admin Menu and then click Post Setup and search for the post name required.
Click Edit Post.
Click Approval, and then click Approvers.
Next to the Reports To (Line Manager) field, click Edit.
If the post does not have a line manager, select the This post does not report to another post check box.
To select a line manager, click Select Post and then Change and select the post in organisation structure.
Click Save.
📌Note: You can't change a manager at the individual user level - line managers are set at the post level, which affects all employees in that post.