Zulip Chat Archive

Stream: mathlib4

Topic: Proofwidgets not up-to-date


Yifan Bai (Jul 07 2025 at 14:40):

Hello, today when I'm trying to install mathlib on a windows PC, I use lake build and it shows an error
1241751882724_.pic_hd.jpg
It tells me that Proofwidgets not up-to-date. How to solve this problem? Has anyone ever met such a problem? Thank you so much. :smiling_face:

Aaron Liu (Jul 07 2025 at 14:41):

can you paste in the entire output, including the commands you ran?

Ruben Van de Velde (Jul 07 2025 at 14:45):

And the output of "run with -v for extra details" could be interesting too

Yifan Bai (Jul 07 2025 at 14:46):

I have just closed the terminal and could not find this page... :smiling_face_with_tear: What I did is first using elan to install the lean4 with version 4.20.0, and clone the MIL repository, and then ran lake build.
When I ran lake build once again, it showed
1471751889907_.pic_hd.jpg

Yifan Bai (Jul 07 2025 at 15:00):

I found the screen shot when I first ran lake build. At first it is normal, cloning mathlib, when it comes to Proofwidget, it gave an error
171751900299_.pic_hd.jpg
1241751882724_.pic_hd.jpg


Last updated: Dec 20 2025 at 21:32 UTC