---
name: "scalar bool array string 0xfcffffef"
type: topic
source: https://community.bistudio.com/wiki/scalar_bool_array_string_0xfcffffef
revid: 328751
updated: 2022-07-15T12:20:04Z
---

# scalar bool array string 0xfcffffef

If variables don't exist, their value as string is generally a "scalar bool array string 0xfcffffef" error.

**Compatibility:**

Version Operation Flashpoint **1.96**

> [!NOTE]
> **Armed Assault:** For ArmA: Armed Assault version, see [scalar bool array string 0xe0ffffef](../topics/scalar_bool_array_string_0xe0ffffef.md).

**Examples:**

```sqs
hint format ["%1", undefined_variable]
```

```sqs
hint (if (format ["%1", undefined_variable] == "scalar bool array string 0xfcffffef") then { "Variable undefined" } else { "Variable already defined" })
```

<sub>Source: [BI Community Wiki — scalar bool array string 0xfcffffef](https://community.bistudio.com/wiki/scalar_bool_array_string_0xfcffffef) (revision 328751).</sub>