If, when selecting one of the slots, all the fields turned out to be empty, this means that the slot is most likely empty (once I came across the fact that it was not so).
Ọ bụrụ na, mgbe ị na-ahọrọ otu n'ime oghere ahụ, ubi niile wee bụrụ ihe efu, nke a pụtara na oghere dị ka ihe efu (ozugbo m ghọtara na nke a abụghị ikpe).