Digging around my personal folders, my eye fell into this folder:
It contains the following 2 folders with hundreds of megabytes of files:
I understand that it’s something related to game diagnostics, but many of these files are simply useless because they are old or simply not about the production version anymore.
A file retention should solve the problem, while keeping the useful data only.
A good approach may be to keep only files not older than 1 month, and relative to the current version.