Options for object creation are greyed out

Question

I am trying to model a tree. I turned on the Add a sapling add-on in user preferences, however once I want to begin editing the settings, they come up but is grey and doesn't let me click on it.

add sapling operator problem

I have also attached my blend file here: http://www.pasteall.org/blend/32199

Works for me, might be an issue with your Blender installation. — stacker, Oct 18 '14 at 14:03
You could go through the time consuming process of manual modelling, better to check the console window for an error message, or reinstall. — stacker, Oct 18 '14 at 14:40
Do you have "global undo" in the user preferences turned off? — David, Oct 18 '14 at 19:25
ahh i have turned it on but it still doesnt work, do you think it's better to just re-install it? — Ayo Adelagun, Oct 19 '14 at 09:48
@AyoAdelagun Perhaps you have a conflicting addon or something. Try loading factory settings (info header > file) then enabling only the sapling addon. — gandalf3, Oct 20 '14 at 01:29

score 4 · Answer 1 · edited Sep 03 '20 at 19:39

4

You have to enable: Global Undo

For 2.8x and 2.9.

Edit > User preferences > System > Memory & Limits: Global Undo

For 2.79

You can do it in User Preferences (Ctrl+ Alt U), in "Editing" Tab.

edited Sep 03 '20 at 19:39

susu

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answered Sep 08 '16 at 21:05

Zuorion

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score 2 · Answer 2 · answered Sep 24 '16 at 19:49

Ensure that Global Undo is checked in User Preferences as mentioned above. Next, go to Settings in the Sapling: Add Tree region adjacent to the work window. In the Settings, go to Branch Splitting. Set the number of levels to 3 or more. This will allow you to select a shape.

Options for object creation are greyed out

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