Slide will not move forward, get three large dots

I have a training course that has 176 slides but two slides will not move forward slide 61 and 79.

The course I have developed is in English and I then need to translate it into 5 languages.  My course has translated to 4 languages, but the 5th language (Korean) does not work.  

I have deleted the slide and the "odd properties" of not moving foward is now on the prior slide.  I have shut down my computer and tried again.  I have reloaded the translation file from my base English file.

Help!  Any ideas?  

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