I added 4(a,b,c,d) images on a table. but after I submit, a,b images are switched as c,d.
Please see below screenshots. I have no Idea why this situation is happened. Hope anybody has same case like me and know how to solve the problem. Thanks for your check.
1. I added 4 different images(a,b,c,d)

2. After submit, images are switched.(a,a,c,c)