When an unpowered turret is attacked by biters, I get a crash with the following error:

The mod Electric Gun Turret (1.0.0) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event electric-gun-turret::on_entity_damaged (ID 115)
Unknown entity name: flying-text
stack traceback:
[C]: in function 'create_entity'
electric-gun-turret/control.lua:41: in function <electric-gun-turret/control.lua:35>

I am using various other mods, I can post my mod list if it would be helpful.