[yvoms]

Код:

* /house - Opens the house menu, house owner only.
* /createhouse [price] [interior id] - RCON admins only, lets you create a house.
* /hsetinterior [house id] [interior id] - RCON admins only, lets you change a house's interior.
* /hsetprice [house id] [price] - RCON admins only, lets you change a house's price.
* /resethouse [house id] - RCON admins only, resets a house.
* /deletehouse [house id] - RCON admins only, deletes a house.
* [added in v1.2] /gotohouse [house id] - RCON admins only, teleports you to house's entrance you specified ID of.

I guess the scripter set it to return 0; if you are not the owner.
Or if you are not in the house, meaning you need to be logged in to rcon or own the house.