How do you fix OverflowException: Number overflow

Question

I am following the Unity Learn tutorial for procedural caves and have just completed the second and third videos. The problem is that when I press play the caves do not appear. There are no errors coming up in Visual Studio but in Unity I am getting the error OverflowException: Number overflow: alt text

I am pretty sure that it is all written correctly, I could be wrong but I have checked it multiple times. I clicked the error and it took me to this line: alt text

I am not sure what is wrong. So if anyone could explain it to me and how to fix it that would be great. Thank you.

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Answer by jeango · Oct 29, 2017 at 09:21 PM

Hi, the only thing that would explain this error is if nodeCountX or nodeCountY are = 0.

In that case you're trying to create an array of size -1, which results in an error for obvious reasons.

In other words, the map parameter you're sending to the SquareGrid method is probably not initialized.

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Marth4 · Oct 29, 2017 at 11:24 PM 0

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Thank you so much! You were right, they were still set to zero in my inspector. Thank you again!!!!!

How do you fix OverflowException: Number overflow

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