FATAL COMPILATION ERROR : Must be in x.x.x.x format - SOLVED

suhay2211

New member
I’ve used HTML Executable 4.7 then turn to 4.9 version. When I compile my ebook, there is message like this : FATAL COMPILATION ERROR : Invalid Product Version Number specified in “Output/Resources” page. Must be in X.X.X.X format.
What should I do?
 
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