Looking on the internet deeply has found these results:

it's not a problem is the most popular phrase on the web.

that's s not a problem 12 results on the web	it's not a problem 1298,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Jan 12, 2015 ... Perhaps removing the at all portion will help. "It's not (a) problem to do that." vs " It's not (a) problem do that." – Jason Patterson Jan 12 '15 at 4: ... Dec 30, 2015 ... It's not a problem if you prepare for it. Buffalo famously gets a lot of snow. Growing up there, though, no one really freaked out about it, because ... Apr 20, 2007 ... I'd normally say "it's no problem", but now that I've heard some chap saying "it's not a problem" I'm no longer sure whether "it's no problem" is ... Jul 3, 2012 ... My brain immediately jumps to "Well, I hope it's not a problem since it is .... I thought "not a problem" is a short phrase for "it's not a problem" to ...

that's s not a problem

12 results on the web

it's not a problem

1298,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Jan 12, 2015 ... Perhaps removing the at all portion will help. "It's not (a) problem to do that." vs " It's not (a) problem do that." – Jason Patterson Jan 12 '15 at 4: ...
Dec 30, 2015 ... It's not a problem if you prepare for it. Buffalo famously gets a lot of snow. Growing up there, though, no one really freaked out about it, because ...
Apr 20, 2007 ... I'd normally say "it's no problem", but now that I've heard some chap saying "it's not a problem" I'm no longer sure whether "it's no problem" is ...
Jul 3, 2012 ... My brain immediately jumps to "Well, I hope it's not a problem since it is .... I thought "not a problem" is a short phrase for "it's not a problem" to ...