get_dataPath can only be called from the main thread?

What does this mean?

Code (csharp):

1. ArgumentException: get_dataPath  can only be called from the main thread.
2. Constructors and field initializers will be executed from the loading thread when loading a scene.
3. Don't use this function in the constructor or field initializers, instead move initialization code to the Awake or Start function.
4. Procedure..ctor ()

It points to a game object which only has one script on it. But it does not give me any real information on how to fix the problem. If it does, I can't tell.

 

that meanst that if you use system.threading don't touch anything thats in UnityEngine / UnityEditor namespaces at all

 

Hi Dreamora,
Can you please elaborate on this?
I get this error message when I build my Unity application into a standalone, but I have no clue where to look for the problem?
Thank you,

 

Some where in your code, you are calling

Application.dataPath

in a Thread not the main/update thread. (Probably one your created)

 

There is one not obvious case, error occur if you play it in editor:

Code (CSharp):

1.  
2.     //This is cause:
3.     private string ps_path = "URI=file:" + Application.dataPath + "/database.db";
4.  
5.     public Text txt_DataPath;
6.     public Text txt_DbExist;
7.     public Text txt_Error;
8.  
9.     // Use this for initialization
10.     void Start()
11.     {
12.        //You should do this:
13.         ps_path = "URI=file:" + Application.dataPath + "/database.db";
14.     }