Issue: Receiving notification at the same time for differents approvers

Summary:

Notification for approving absence request is received at the same time for HR representative and for Line manager, instead of 1st HR representative received it, then once the absence approved, the line manager can receive and approved

Content (required):

I have set up the workflow like this:

The rule is the simple one: 1==1

Using AOR for Representative:

And for Management hierarchy is the standard:

Can someone has an idea ?

Version (include the version you are using, if applicable): 21D

Code Snippet (add any code snippets that support your topic, if applicable):