Store Image Uploads issue

Hey guys. We've had this problem in the past and it's resurfaced again. We have an area where a customers required to upload a picture and most of the time that picture comes through, but sometimes it allows the order to process, but the picture is missing.

Also I noticed on older orders the picture is missing and when I check the assets folder components/com_gridbox/assets/uploads/attachments the image is not there yet the order went through and shows the filename in the order in the backend admin. Is there a retention policy for number of days image uploads are kept? We need the image uploads to stay with the order indefinitly. I noticed in the assets folder the assets do not go back very far in terms of the dates of the uploaded images.

Attaching images of what the broken orders and the good orders look like.

Any ideas on why this issue may be reoccuring?

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