To reproduce: place a node in an empty project, then undo with CTRL + Z. Attempting will place a new node down will only give you the menu for connection colors, selecting a color will give you this crash report:

-------------------------- Pixel Composer 1.17.9 Crashed --------------------------

ERROR in

action number 1

of Draw Event

for object o_dialog_menubox:

Unable to get variable setColor from object 0000023D8B92EF00

gml_Script_setSelectingJuncColor@Panel_Graph@panel_graph

-------------------------- STACK TRACE --------------------------

gml_Script_setSelectingJuncColor@Panel_Graph@panel_graph (line 721)

gml_Script_anon@31283@Panel_Graph@panel_graph (line 741)

gml_Object_o_dialog_menubox_Draw_64 (line 111)

-------------------------- Device Info --------------------------

Version: 1.17.9 (11790)

Operating system: Windows (655360)

---------------------------- :( ----------------------------