I have noticed that the new CC places ghost internal entities if they cannot be built due to the character overlap.
Furthermore, the ghost settings input leads to the crash if you exit the editor.

Error while running event compaktcircuit::on_gui_click (ID 1)
Мод Compakt circuits (1.1.1) вызвал неустранимую ошибку.
Пожалуйста, сообщите об этой ошибке автору мода.

Error while running event compaktcircuit::on_player_changed_surface (ID 53)
__compaktcircuit__/scripts/build.lua:719: attempt to index local 'tags' (a nil value)
stack traceback:
    __compaktcircuit__/scripts/build.lua:719: in function 'create_packed_circuit_internal'
    __compaktcircuit__/scripts/build.lua:507: in function 'create_packed_circuit_v2'
    __compaktcircuit__/scripts/build.lua:835: in function 'create_packed_circuit'
    __compaktcircuit__/scripts/editor.lua:1468: in function <__compaktcircuit__/scripts/editor.lua:1438>
    [C]: in function 'teleport'
    __compaktcircuit__/scripts/editor.lua:786: in function 'exit_player'
    __compaktcircuit__/scripts/editor.lua:802: in function 'handler'
    __compaktcircuit__/scripts/tools.lua:390: in function <__compaktcircuit__/scripts/tools.lua:386>
stack traceback:
    [C]: in function 'teleport'
    __compaktcircuit__/scripts/editor.lua:786: in function 'exit_player'
    __compaktcircuit__/scripts/editor.lua:802: in function 'handler'
    __compaktcircuit__/scripts/tools.lua:390: in function <__compaktcircuit__/scripts/tools.lua:386>