Get a penality for leaving the match, but I wasn't playing ranked

Product: Apex Legends
Platform:Sony Playstation 4
Please specify your platform model. Sony PlayStation 4
What is your gamertag/PSN ID/EA Account name? Underclasshero_
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible.
Are you using any software with an overlay? No
Which Legend were you playing (if applicable)? Pathfinder
Which Legends were your squad mates using (if applicable)?
Where did the issue occur? In a match
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. Thermoelectric central
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. /
Did your squad mates also experience the issue? I don't know
How many matches had you played in a row before the issue occurred? 0
When did this happen? (dd.mm.yy hh:mm) 21/10/19 9.30 rome
How often does the bug occur? Rarely (0% - 9%)
How severe is your issue? Minor impact to gameplay
What happens when the bug occurs? As I said I get a penalty for leaving the match, but I wasn't playing ranked, nothing more to add
What should be happening instead? Not getting this -72
Steps: How can we find the bug ourselves? Idk

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Hello, I get a penality even I wasn't playing ranked, can someone please help me? Thank you