Farming Simulator 2013 Crashing after installing Mods

[preetgurm]

So Today i decided to put mods in Farming Simulator 13 ...i downloaded a tractor and started the game and when im going to purchase it in shop i just pressed buy button and the game crashed without any error/warning...plz help me

 

[Windmm]

It's time for Farming Simulator 15!

 

[preetgurm]

It's time for Farming Simulator 15!

yup...but im asking for mods error in fs13