layer missing after saving the layerslider

Hi

This is a weird one, in my previous i can see the text layer, but on my website they are missing, and even strange, when i click to select a text layer and then save with active selection still on the text, then that text will no longer show on my webpage even if i can see it in the slider preview. and when i switch to timeline, i realize the text slider is no longer a span tag but rather undefind …