Desktop client gives errors while synchronizing

Good morning,
this morning the sync client stopped working properly. In particular it gives an error while syncing a folder. The error is “Directory not foud” (which is obvious, since I am synchronizing from the server to the local machine and the client should be creating the folder and not tell me it does not exist).
i’m using the appimage version client and for this i have no idea where to put its logs.
I cannot attach images as this site, in addition to being the slowest I have ever seen, does not allow me to do so by giving me an error every time I try