Visit
Noun, する verb, and の adjective
ほうもん
日本では、通常歯医者に一回の訪問で治療を済ませてもらうことはできません。
In Japan, you usually can’t go to the dentist and get everything done in just one visit.
A visit problem is when someone makes a visit, because you're the type of person who doesn't like visitors, since they're usually so inconsiderate and you have to feed them. That's why a visit is a visit problem.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.