Object 17951 and falling MTA:SA

[1MenuX1]

Hi, i have problem. My MTA:SA Falling(endgame , report message) on Map Editor . If iam change model 17951 - cjgaragedoor, and click OK , MTA fall and must restart. Now i make it again , and in map editor now falling ! Please help , its ..

[uhm]

I tested that object and it seems to be alright. Does this only happen with that model? Maybe you installed some mod that changed/corrupted it? (for instance grove street mod)