using variable causes white and empty psd files

[#1]

I'm using Cs6 and I using variable to export data sets but I find the exported psd files are white and empty can anyone help me please 

[#2]

I'm using Cs6 and I using variable to export data sets but I find the exported psd files are white and empty can anyone help me please 

[#3]

We need more info in order to help you.

Do you have external data sets file? There are sooo many question I can ask but I do not know where to start because lack of informations, so please start with more info and explanation how you setup and export data sets.