After a little research I was able to fix this myself: <!-- Lock the screen on Ctrl + Alt + l--> <keybind key="C-A-l"> <action name="Execute"> <command>lxlock</command> </action> </keybind>
After a little research I was able to fix this myself:
<command> lxlock< /command>
<!-- Lock the screen on Ctrl + Alt + l-->
<keybind key="C-A-l">
<action name="Execute">
</action>
</keybind>