Editor
Troubleshooting

0043: Invalid array index

The array element index is not a variable.

Possible solutions: use a global or local variable:

$var(0,2i) = 1 // error
$index = 0
$var($index,2i) = 0 // OK
or
var
$var: Array 2 of Integer
end
$var[0] = 0 // OK