Fixed a problem in samopisnom module Opencart

Engine – 2.3 ocStore
Is website in-house module ordering photos. When ordering, the user uploads their photo, which wants to print in the darkroom, places the order, these pictures are on a schedule (cron) move to Yandex disk and are arranged in folders as desired (for different sizes, and in a certain way are renamed).
Occasional glitches – no folders are created with the right size, not all pictures from the order or move properly placed in the folders.
The task is to find and fix the problem. It happens infrequently for six months about 3-4 times it was, but still unpleasant.
Potential candidates ready to provide additional information and answer questions