I'm getting errors and incompatibility messages with this mod when used with The Ruins Mod and Realistic Ruins even though it's listed as an optional dependency. :( Here's the error with The Ruins mod where it crashes on load-in to a new game:

The mod The Ruins Mod (1.1.6) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event AbandonedRuins::on_tick (ID 0)
The mod Realistic Reactors (3.1.4) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event RealisticReactors::script_raised_built (ID 79)
RealisticReactors/scripts/heat/buffer.lua:64: attempt to perform arithmetic on field 'y' (a nil value)
stack traceback:
RealisticReactors/scripts/heat/buffer.lua:64: in function 'vecadd'
RealisticReactors/scripts/heat/buffer.lua:69: in function 'for iterator'
RealisticReactors/scripts/heat/network.lua:488: in function 'add_entity_to_network_cell'
RealisticReactors/scripts/heat/network.lua:618: in function 'add_heat_pipe'
RealisticReactors/scripts/events/construct.lua:35: in function 'on_heatpipe_added'
RealisticReactors/scripts/events/construct.lua:104: in function 'entity'
RealisticReactors/control.lua:51: in function <RealisticReactors/control.lua:50>
stack traceback:
[C]: in function 'create_entity'
AbandonedRuins/spawning.lua:45: in function 'spawn_entity'
AbandonedRuins/spawning.lua:94: in function 'spawn_entities'
AbandonedRuins/spawning.lua:172: in function 'spawn_ruin'
AbandonedRuins/spawning.lua:184: in function 'spawn_random_ruin'
AbandonedRuins/control.lua:58: in function <AbandonedRuins/control.lua:53>