Linked Questions
48 questions linked to/from NullReferenceException in Unity
-3
votes
1
answer
82
views
how to call function [duplicate]
how do I get a function from another script and insert it into a button, I did this is giving this error
"Object reference not set to an instance of an object"
...
- 5
0
votes
1
answer
59
views
Rewriting a text object [duplicate]
I'm trying to set up a UI system. Say I have a text object 'text' which is visible onscreen. I want to change it with a button press using a script such that the text box's previous string is replaced ...
- 1
0
votes
1
answer
52
views
NullReferenceException. Why? [duplicate]
I have a line:
private void OnTriggerEnter2D(Collider2D collider)
{
checkID = collider.GetComponent<PartInfo>().ID;
}
That PartInfo.cs:
...
- 51
0
votes
1
answer
39
views
I keep getting this error when I run my game so far [duplicate]
I have a tags script:
...
0
votes
0
answers
30
views
Adding Score to score canvas after collision [duplicate]
Simply a player has to move through pipes falling down, once the player moves through the gap it should add a score and increase the scoring after each pipe the player goes through, pretty basic.
I ...
0
votes
0
answers
30
views
How to fix this NullReferenceException error? [duplicate]
I am trying to fix an error that says "Object reference not set to an instance of an object". The purpose of this script is to spawn a prefab that follows the mouse when you click a UI ...
0
votes
0
answers
26
views
NullReferenceException: Object reference not set to an instance of an object PlatformController.FixedUpdate () [duplicate]
How do I fix it, I don't know how I fix it? Can anyone help me?
...
- 1
0
votes
0
answers
25
views
game object disappears when I add OnTriggerEnter script [duplicate]
I'm setting up collision detection for my enemy objects and projectile. When I add the detect collision script below, my enemy object just disappears. Projectile has the same detect collision script ...
0
votes
0
answers
23
views
NullReferenceException: Object reference not set to an instance of an object on boolean variable from separate class [duplicate]
I'm trying to develop game scenario that able to trigger the alarm with alarm light and siren audio to play. For the testing purpose I set it that to boolean value as "alarmOn" in AlarmLight class.
<...
0
votes
0
answers
22
views
object reference not set to an instance of an object [duplicate]
hello i have a error "object reference not set to an instance of an object"
when my ball collide with the spikes.its supose to remove one heart but it doesnt.
health code:
...
0
votes
0
answers
24
views
Null Reference Exception in Switch Case [duplicate]
I'm getting an annoying NullReferenceException error. Can anyone help? This is the function, and below you can see how it is called:
Error message:
NullReferenceException: Object reference not set to ...
0
votes
0
answers
21
views
Set DisplayName in textfield problems Object reference not set to an instance of an object [duplicate]
Folks. I'm trying to set the DisplayName default value directly from the API, the debug log correctly informs the username. But when I believe that it should fill ...
- 101
0
votes
0
answers
21
views
NullReferenceException: Object Reference Not Set to an Instance of an Object (How is that so and I should I solve it?) [duplicate]
I am stuck several days because of this problem, which I am almost on the verge of giving up. (Using Unity Engine 2019.3a by the way). The TextButtonName.text can't read what TextButton is throwing to ...
0
votes
1
answer
32
views
0
votes
0
answers
20
views
NullReferenceException until tile is spawned [duplicate]
I have a tile and tile has enemies spawn positions, and spawner script in it. Everything works fine when tile is spawned, my ray hits the collider in tile and enemies get spawned, but my spawn script ...
- 11