Prew selection godot eroor

Godot 4.2.1

E 0:00:08:0758 Index p_index = 3 is out of bounds ((int)data.children_cache.size() - data.internal_children_front_count_cache - data.internal_children_back_count_cache = 3).
<C++ Source> scene/main/node.cpp:1529 @ get_child()

hard to say much without more info except the obvious: your code is trying to access fourth item (index 3) in an array that has less than 4 items in it.