got this message:

The mod Circuit Launchable Rockets (1.4.2) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event CircuitLaunchableRockets::on_player_setup_blueprint (ID 83)
Index out of bounds: 33 > 0.
stack traceback:
[C]: in function 'set_blueprint_entity_tags'
CircuitLaunchableRockets/control.lua:88: in function <CircuitLaunchableRockets/control.lua:75>

No idea if this has been reported before, apologies for being lazy and not checking in advance lol

This has not been reported before, and I can't reproduce it. Do you have more specific instructions? (Also, what other mods are you using?)