Why is all my memory space just disappearing?

[Android Central Question]

I have a Huawei p9 lite, and lately I've been having problems with my storage space. I have a SD card (64gb) and I used it as the default location for storage since I got it. A few weeks back I noticed that I can't take pictures any more because I had no more memory, and when I checked it showed that 58gb of my space is taken by "other". I tried using different cleaners, but they don't seem to be able to get rid of the "other". It's very weird, because I don't even have any big apps installed, and I can't see what "other" is, as I can't access it.
If you know what is happening with that SD card please let me know.

 

[ManiacJoe]

What can you tell us about the folders that these "other" files are being stored in?

 

[TheBigMic99]

It's the same person as who asked the question.
All I can tell about the "other" is that I can't access it, and it just seems impossible for me to fill 54gb in less than 5 months (I don't use my phone that much). Ask any questions you have, if it can help fix this issue.

 

[methodman89]

Download Data Size Explorer and you will see.