How can I resolve errors encountered during migration from SQLite to MySQL in Django? [closed]

(venv) PS E:\Easyalgo project\django-tailwind-blog> python migrate
System check identified some issues:

?: (ckeditor.W001) django-ckeditor bundles CKEditor 4.22.1 which isn't supported anmyore and which does have unfixed security issues, see for example . You should consider strongly switching to a different editor (maybe CKEditor 5 respectively django-ckeditor-5 after checking whether the CKEditor 5 license terms work for you) or switch to the non-free CKEditor 4 LTS package. See for more on this. (Note! This notice has been added by the django-ckeditor developers and we are not affiliated with CKSource and were not involved in the licensing change, so please refrain from complaining to us. Thanks.)
?: (urls.W002) Your URL pattern '/post' has a route beginning with a '/'. Remove this slash as it is unnecessary. If this pattern is targeted in an include(), ensure the include() pattern has a trailing '/'.
Operations to perform:
  Apply all migrations: Adv_css, DBMS, admin, auth, blogs, contenttypes, cp_sheet, cs_subject, home, htmlapp, mini_sheet, networking, patterns, prepration_sheet, programming, sessions, stl
Running migrations:
  Applying home.0003_blog_remark...Traceback (most recent call last):
  File "E:\Easyalgo project\django-tailwind-blog\venv\Lib\site-packages\django\db\backends\", line 105, in _execute
    return self.cursor.execute(sql, params)
  File "E:\Easyalgo project\django-tailwind-blog\venv\Lib\site-packages\django\db\backends\mysql\", line 76, in execute
    return self.cursor.execute(query, args)
  File "E:\Easyalgo project\django-tailwind-blog\venv\Lib\site-packages\MySQLdb\", line 179, in execute
    res = self._query(mogrified_query)
  File "E:\Easyalgo project\django-tailwind-blog\venv\Lib\site-packages\MySQLdb\", line 330, in _query
File "E:\Easyalgo project\django-tailwind-blog\venv\Lib\site-packages\MySQLdb\", line 261, in query
    _mysql.connection.query(self, query)
MySQLdb.OperationalError: (1170, "BLOB/TEXT column 'remark' used in key specification without a key length")
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