Received way more XP than I should have?

Product: Apex Legends
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number GTX 1050
Enter RAM memory size in GB 4GB
What is your gamertag/PSN ID/EA Account name? xXAD1GXx
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible. N/A
Which Legend were you playing (if applicable)? Pathfinder
Which Legends were your squad mates using (if applicable)? N/A
Where did the issue occur? Returning to the lobby after 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. Collecting XP
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. Collecting XP
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? 3
When did this happen? (dd.mm.yy hh:mm) 02/07/19 12:40 PDT
How often does the bug occur? Rarely (0% - 9%)
How severe is your issue? Little to no impact to gameplay
What happens when the bug occurs? I got 33K XP after playing one game
What should be happening instead? I should have recieved only around 4K XP
Steps: How can we find the bug ourselves? i have no idea how it happened

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I got 33K XP so im not complaining but i dont think that, its supposed to happen.