problematic issue

The most problematic issue, they said, is that the data are three years old.

It was not until January 24, 2003 that mission control had classified the damage as a problematic issue.

"That will be the most difficult issue, very problematic."

Other problematic issues involved the names of the game's Achievements, which are all references to the series.

And behind that one lies the problematic issue of how the British take their tennis stars.

Mid June the factory actually stopped the production line for a few days to figure out some of the games problematic issues.

I should like to expand on two problematic issues.

The most problematic issue was once again Heading 4, 'external policies'.

A sign of good cooperation is that everything, even problematic issues, can be discussed.

Although there are several problematic issues, I will only mention one of them.