I've had this issue too, only solution ive found is to abandon the house and find a new one.
Go to your home, go into World - About Land and hit the Abandon land button. Then log into your Second life dashboard on secondlife.com and on the top right there should be a little "advertisement" about getting your new Linden Home, just click it and choose a home again.
Homes are randomised locations so youre probably not going to get the broken home again. But if you do, you can abandon land and reacquire one 5 times in 24 hours.
If you need any help, feel free to message me inworld, should be able to find me under Hannefay =)