Hi ,I m also facing ''Found 0 files in subfolders ‘’
My train folder has 3 subfolders  structures.PNG images are placed in label1 folder, label3 and label2 folders.Random random image series are saved in 1…30.png in label1 folder. 92.png ,2000.png in label2 and  label3
/train/
label1
label2
label3