Cannot read properties of undefined (reading 'extremite1') dans 3G11.js

[13 h 06 min 44,590 s] uuid=18e25 exo=3e/3G11.js i=53 / 118
[13 h 06 min 44,590 s] http://localhost:5173/alea/?uuid=18e25&id=3e/3G11&alea=QrHL&v=latex
[13 h 06 min 44,769 s] [vite] connecting...
[13 h 06 min 44,833 s] [vite] connected.
[13 h 06 min 46,679 s] <ModalMessageBeforeAction> received an unexpected slot "default".
[13 h 06 min 46,686 s] Cannot read properties of undefined (reading 'extremite1')
[13 h 06 min 46,686 s] Cannot read properties of undefined (reading 'extremite1')
[13 h 06 min 46,686 s] Cannot read properties of undefined (reading 'extremite1')
[13 h 06 min 46,686 s] Cannot read properties of undefined (reading 'extremite1')
[13 h 06 min 46,686 s] Cannot read properties of undefined (reading 'extremite1')
[13 h 06 min 46,687 s] Cannot read properties of undefined (reading 'extremite1')
[13 h 06 min 46,687 s] Cannot read properties of undefined (reading 'extremite1')