I bought a "Wall repair compound" and let "father" to repair it..
He took the bucket to workroom and repair the wall a few times..(maybe 5~6) and the wall is almost repaired.
But!! The last time he repair it, the "Wall repair compound"is disappear and the wall is broken again(like I never let anybody to repair it)

Then I bought 2 "Wall repair compound" again in a few days but they repair it less and less times.
The compound is disappear and the wall is still broken..

So I can't get the trophy.

is it a bug?? or how can I repair it??

I think your wall compound dried up, It can, you know.

Yes, you can repair it. The trick to repairing it before the compound dies up is to...

I did that,
they put the bucket outside the workroom,
and I grab a person (he sees the bucket) and he is repairing the wall..
after a few times they repair the wall..
and I grab a person on the bucket again,
suddenly the bucket disappear , the person is just walk away(to do other things like "work on career") and the wall is still broken..

I used 3 or 4 compounds to repair it , but never worked.

maybe this problem only in my game?

I heard my friend said she only use one compound to repair it.

If by broken you are referring to the fact that part of the wall is missing, that part doesn't change during the repair. That is just the opening to get into the workshop. Repairing means painting over the scribbling, etc on the two walls.

I know where my problem is!!
Thank you all

try putting two or more ppl on the wall to repair it. one will go to one side and one to the other side, that is the only way i could keep it from drying up and disappearing, also keep right there at them and every time they try to walk away put them back, they try to wander off alot. Hope this helps!