Script error in mortar UI

[netfusion]

ArmA3 Version:

1.76.143187 Stable

AAW Version:

0.23.0.2345

Description:

A script error raises when using the mortar UI.

Steps to reproduce:

1. Get in a mortar as gunner
2. Enter '01026' on the Numpad
3. A script error should occur

Where did the issue occur?

Dedicated (WGP Playsession)