Sync issue: stopped when album not fully uploaded

As I always do, I upload my pictures through iPad so they sync on mobile and in the end, retrieve them through Classic.

This time, LR on iPad thinks it has synced but it has not:

I have 224 images to upload:



But got only 88 has synced on iPhone and on web:



(Note: the web doesn’t show a counter but has definitely not all images synced)

No, my storage is not full:



Already tried to log out and in again on both devices.