The odds are there, but it’s low. Related topic was created in the 2016 year.
What I see now, it’s the difference in encoding. You log Backendless+Ownership.jpeg, but as I understand filename contains space, not a plus.
Could you tell me, how you get the file name?
If it comes from our logic I will recommend as a temporary solution replacing + with space in the filename manually.
@Dima you are right. After File upload I got a response with + character for every space. When I want to delete this file I need to replace + for a space. This is my solution: