I play on ps4 and i got destiny 2 when it was completely free on the ps store. Basically I loved the game and max lvl grinded it and even considered buying the forsaken stuff but then i had to delete it for space on my ps4. Now that I want to redownload it it is no longer in my ps4 library maybe there's a reason for it but if not i want the game back I have my account and proof on the destiny companion app that I had the game. If someone knows anything about this or had this happen to them answer this
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You would need to speak to playstation support as they control your license.