# Bug when tapping into lakes/ponds

**URL:** <https://discourse.stonehearth.net/t/bug-when-tapping-into-lakes-ponds/18781>\
**Category:** Resolved Reports\
**Tags:** resolved\
**Created:** [December 31, 2015, 6:36am UTC](https://discourse.stonehearth.net/t/bug-when-tapping-into-lakes-ponds/18781 "2015-12-31T06:36:17Z")\
**Posts on this page:** 1\
**Showing post:** 10

<div class="post-metadata">

**Author:** ![megashub](https://sea2.discourse-cdn.com/flex022/user_avatar/discourse.stonehearth.net/megashub/32/47769_2.png) [@megashub](https://discourse.stonehearth.net/u/megashub)\
**Post date:** [January 17, 2016, 10:20pm UTC](https://discourse.stonehearth.net/t/bug-when-tapping-into-lakes-ponds/18781/10 "2016-01-17T22:20:27Z")

</div>

Was just going to get it:

```auto
develop-2786 (x64)
stonehearth/components/water/water_component.lua:794: assertion failed!
stack traceback:
	radiant/modules/common.lua:165: in function <radiant/modules/common.lua:164>
	[C]: in function 'assert'
	stonehearth/components/water/water_component.lua:794: in function '_remove_height'
	stonehearth/components/water/water_component.lua:261: in function '_remove_water'
	stonehearth/components/water/water_component.lua:473: in function 'fill_channel_from_water_region'
	...hearth/services/server/hydrology/channel_manager.lua:534: in function 'callback_fn'
	...hearth/services/server/hydrology/channel_manager.lua:170: in function 'each_channel_ascending'
	...hearth/services/server/hydrology/channel_manager.lua:532: in function 'fill_channels_to_capacity'
	...arth/services/server/hydrology/hydrology_service.lua:721: in function '_on_tick'
	...arth/services/server/hydrology/hydrology_service.lua:49: in function '_fn'
	radiant/controllers/timer_controller.lua:95: in function 'fire'
	radiant/controllers/time_tracker_controller.lua:82: in function <radiant/controllers/time_tracker_controller.lua:82>
	[C]: in function 'xpcall'
	radiant/controllers/time_tracker_controller.lua:82: in function 'set_now'
	...hearth/services/server/calendar/calendar_service.lua:374: in function '_on_event_loop'
	...hearth/services/server/calendar/calendar_service.lua:37: in function 'instance'
	radiant/modules/events.lua:226: in function <radiant/modules/events.lua:220>
	[C]: in function 'xpcall'
	radiant/modules/events.lua:220: in function 'trigger'
	radiant/modules/events.lua:283: in function '_trigger_gameloop'
	radiant/modules/events.lua:334: in function '_update'
	radiant/server.lua:62: in function <radiant/server.lua:58>

```

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_[View the full topic](https://discourse.stonehearth.net/t/bug-when-tapping-into-lakes-ponds/18781)._