NullReferenceException: Object reference not set to an instance of an object BotControlScript.Start () (at Assets/script/BotControlScript.cs:41)

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i douwnloaded a sample project somewhere and used the script to my own project everything seem fine but i got this error message :

and also after i build it ,the camera is not working. it not following the player as how its work in the preview...

here is my project file : https://www.dropbox.com/s/oanyfvnpgw1lj4q/gumbla.rar the scene located in "asset" folder

could someone find a way how to fix it?

thank you

Answer 1

Answer by Landern · May 21, 2014 at 01:47 PM

In the script BotControlScript.cs, line 41, you're trying to get a reference to a transform that belongs to an gameobject named "Enemy". Your scene does not contain such an object, so it can't find the GameObject and of course because it can't find that, the property transform doesn't exist... hence the null reference exception. Add an enemy, read up on GameObject.Find and fix your scripts expectations.

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indra p · May 21, 2014 at 02:56 PM 0

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thanks.. i added an blank object then named it enemy..now the error messase is gone...but the camera still not working when i build the game...its not following the player..any solution?

Landern · May 21, 2014 at 03:17 PM 0

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It follows the girl in the bikini on mine, this is from your project download, i have no idea why it wouldn't work for you unless you modified something and what was uploaded to dropbox differs.

indra p · May 21, 2014 at 04:44 PM 0

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Its weird..Did you build it?..I mean build to exe files..the camera work when I played it in unity.. But not after I run the exe..

NullReferenceException: Object reference not set to an instance of an object BotControlScript.Start () (at Assets/script/BotControlScript.cs:41)

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