It has no option to export to Anki

[maxhytv]

I used Django to build LingL in Windows 10, and it worked fine.The only drawback is the inability to export to Anki.

Here is the record that appears in the browser.

AttributeError at /export2anki_exporter/

'NoneType' object has no attribute 'grouper_of_same_words_for_this_word'

Request Method: 	POST
Request URL: 	http://127.0.0.1:8000/export2anki_exporter/
Django Version: 	3.2.4
Exception Type: 	AttributeError
Exception Value: 	

'NoneType' object has no attribute 'grouper_of_same_words_for_this_word'

Exception Location: 	H:\MyNotes\English\LingL\Scripts\LingL\lwt\views\export2anki_exporter.py, line 79, in export2anki_exporter
Python Executable: 	H:\MyNotes\English\LingL\Scripts\python.exe
Python Version: 	3.9.7
Python Path: 	

['H:\\MyNotes\\English\\LingL\\Scripts\\LingL',
 'C:\\Users\\GotBook\\AppData\\Local\\Programs\\Python\\Python39\\python39.zip',
 'C:\\Users\\GotBook\\AppData\\Local\\Programs\\Python\\Python39\\DLLs',
 'C:\\Users\\GotBook\\AppData\\Local\\Programs\\Python\\Python39\\lib',
 'C:\\Users\\GotBook\\AppData\\Local\\Programs\\Python\\Python39',
 'H:\\MyNotes\\English\\LingL',
 'H:\\MyNotes\\English\\LingL\\lib\\site-packages']

Server time: 	Sun, 16 Jan 2022 12:49:59 +0000