Depois que eu crio o usuario e depois vou adicionar as permissões de adicionar pessoas e receitas dá erro

insira seu código aquiProgrammingError at /admin/auth/user/2/change/
syntax error at or near "ON"
LINE 1: ...ions" ("user_id", "permission_id") VALUES (2, 29) ON CONFLIC...
                                                             ^
Request Method:    POST
Request URL:    http://127.0.0.1:8000/admin/auth/user/2/change/
Django Version:    3.0.2
Exception Type:    ProgrammingError
Exception Value:    
syntax error at or near "ON"
LINE 1: ...ions" ("user_id", "permission_id") VALUES (2, 29) ON CONFLIC...
                                                             ^
Exception Location:    C:\ProjetosPython\venv\lib\site-packages\django\db\backends\utils.py in _execute, line 86
Python Executable:    C:\ProjetosPython\venv\Scripts\python.exe
Python Version:    3.7.3
Python Path:    
['C:\\ProjetosPython',
 'C:\\Users\\Hernan\\Anaconda3\\python37.zip',
 'C:\\Users\\Hernan\\Anaconda3\\DLLs',
 'C:\\Users\\Hernan\\Anaconda3\\lib',
 'C:\\Users\\Hernan\\Anaconda3',
 'C:\\ProjetosPython\\venv',
 'C:\\ProjetosPython\\venv\\lib\\site-packages']
Server time:    Qui, 23 Jan 2020 15:28:54 -0300