There is an error when you use this with the mod blueprintlab https://mods.factorio.com/mod/BlueprintLab_Bud18
The alert keeps on screen, referencing the player when you clic it and displaying:

Nauvi:
BPL_TheLabPlayer:
Out of ammo
Out of ammo

This is playing Factorio 0.18.13, before it the error was not present.

Should be fixed in 0.18.1

Strange handling of surfaces caused the Nauvis turret alerts to be overridden completely as soon as more than one surface existed.

Now the alerts completely refresh every 10s and apply only to the surface the player is currently on.

I must have been mildly displaced while coding yesterday...
0.18.1 introduced a major performance impact, especially in multiplayer. So have 0.18.2 instead.