NVR

Yesterday I received my husband called me, originally it was yesterday afternoon that he should get home, because he travel in the field now, because of the company he used to row, said at the time just over the past few days on the line, but yesterday when he thought his work ended, the other told him where does he go to stay for a period of time, because of the NVR system, there is a problem, then my husband told me when NVR system has the problem of this thing, I also feel very surprised, because we are working in the same company, NVR system and what he said is we Department of development and design, but later my husband told me that is the problem solved.