Problem with put furniture

[Manijo]

Summary:

Steps to reproduce:
1)
2)
3)

Expected Results:
release-559 (x64)
…h/components/entity_forms/entity_forms_component.lua:359: assertion failed!
stack traceback:
[C]: ?
[C]: in function ‘assert’
…h/components/entity_forms/entity_forms_component.lua:359: in function ‘place_item_on_structure’
…/fixture_fabricator/fixture_fabricator_component.lua:266: in function ‘_place_item_on_structure’
…/fixture_fabricator/fixture_fabricator_component.lua:243: in function ‘_place_fixture’
…/fixture_fabricator/fixture_fabricator_component.lua:203: in function ‘_start_project’
…/fixture_fabricator/fixture_fabricator_component.lua:41: in function <…/fixture_fabricator/fixture_fabricator_component.lua:39>

Actual Results:

Notes:

Attachments:

Version Number and Mods in use:

System Information:

[Relyss]

Welcome to the forum, @Manijo

Could you elaborate a bit more on the bug, please?

Were you trying to place furniture inside a house at design mode before it has been built, while the house was being built, or after it was completed?

A screenshot or a save may also help.