How to solved YouTube comment failed to post problem 2017

Hi Gangs of coder, Today i will show you how you can solved the problem of you tube issue i.e
comment failed to post while commenting on YouTube video.
So coders you don't to worry anymore below is the solution of this problem.

You need to watch the you tube video at least 30 seconds then you are able to comment otherwise not.this is new policy introduced by YouTube in 2017