Please use the following threads if you still have issues.
Black Photos (Patch 1.119.109) | EA Forums - 12878373
Paintings go white after putting them in inventory/Reloading game (1.119.109) ...
Ideas
This thread refers to the issue. You can post feedback there and upvote it.
https://forums.ea.com/idea/the-sims-4-bug-reports-en/photospaintings-turning-black 1-102-1901-82/11936008
Not to be like that but this is the third time I’ve seen you post nothing in this thread except for reposting the link to this exact thread we are all already in. What is the purpose.
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