Here are some notes on IndexOutOfRangeException and ArgumentOutOfRangeException:
Steps to success:
- find which collection it is (critical first step!)
- find out why it has fewer items than you expect
- fix whatever logic is making the indexing value exceed the collection
- remember you might have more than one instance of this script in your scene/prefab
ALSO: screenshots of code are NOT A THING.
If you post a code snippet, ALWAYS USE CODE TAGS:
How to use code tags: Using code tags properly