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# 0048: Error reading array size

The size of an [array](/language/data-types/arrays.md) is missing or is not a number (e.g. a [string literal](/language/data-types.md#string-literals)).

**Possible solutions:** use a valid positive number greater than 0:

```
0@(1@,i) = 0 // error
0@(1@,"1"i) = 0 // error
0@(1@,1i) = 0 // OK
```