not able to publish to HTML

Does anyone know how to fix this problem? when I set to publish for web using HTML, I get the prompt that says: "fix all problems highlighted in red before publishing" I have a 100 page presentation and the problem that repeats in the course is: "OnDone events not supported by Objects"can anyone tell me what does that mean? and what is the best way to get it fix.Thank you in advance!!!

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